CWE-191

{
  "affected": [],
  "aliases": [
    "CVE-2026-6685"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-01T15:17:12Z",
    "severity": "MODERATE"
  },
  "details": "FatFs R0.16 and earlier exhibits a stale dirty-cache skip via unsigned-subtraction wrap in f_read() / f_write() (fp-\u003esect - sect \u003c cc) during interleaved read/write on fragmented filesystems. This maps to CWE-191 (Integer Underflow). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H (6.1, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total.",
  "id": "GHSA-rggj-rv54-4gvx",
  "modified": "2026-07-01T15:35:20Z",
  "published": "2026-07-01T15:35:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6685"
    },
    {
      "type": "WEB",
      "url": "https://elm-chan.org/fsw/ff"
    },
    {
      "type": "WEB",
      "url": "https://github.com/runZeroInc/vulns-2026-fatfs-chance"
    },
    {
      "type": "WEB",
      "url": "https://www.runzero.com/advisories/fatfs-unsigned-sub-wrap-cve-2026-6685"
    },
    {
      "type": "WEB",
      "url": "https://www.runzero.com/blog/fatfs-bugs"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2024-30008"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-14T17:16:38Z",
    "severity": "MODERATE"
  },
  "details": "Windows DWM Core Library Information Disclosure  Vulnerability",
  "id": "GHSA-rj65-h7q6-63qc",
  "modified": "2024-05-14T18:31:03Z",
  "published": "2024-05-14T18:31:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-30008"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30008"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-2369"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-19T15:16:25Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service.",
  "id": "GHSA-rm63-3cv3-qm5w",
  "modified": "2026-03-19T15:31:21Z",
  "published": "2026-03-19T15:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2369"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-2369"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439091"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/498"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2022-20073"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-11T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In preloader (usb), there is a possible out of bounds write due to a integer underflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS06160841; Issue ID: ALPS06160841.",
  "id": "GHSA-rp7r-6fg8-pp22",
  "modified": "2022-04-19T00:01:22Z",
  "published": "2022-04-12T00:00:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-20073"
    },
    {
      "type": "WEB",
      "url": "https://corp.mediatek.com/product-security-bulletin/April-2022"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2022-30787"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-26T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An integer underflow in fuse_lib_readdir enables arbitrary memory read operations in NTFS-3G through 2021.8.22 when using libfuse-lite.",
  "id": "GHSA-rq5w-qx3v-grh4",
  "modified": "2022-06-09T00:00:20Z",
  "published": "2022-05-27T00:00:48Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-6mv4-4v73-xw58"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-30787"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tuxera/ntfs-3g/releases"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7JPX6OUCQKZX4PN5DQPVDUFZCOOZUX7Z"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ECDCISL24TYH4CTDFCUVF24WAKRSYF7F"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FAXFYIJWT5SHHRNPOJETM77EIMJ6ZP6I"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UEXHDCUSLJD2HSPMAAVZ5AWMPUOG6UI7"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202301-01"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5160"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/06/07/4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2021-1919"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-08T12:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "Integer underflow can occur when the RTCP length is lesser than than the actual blocks present in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice \u0026 Music, Snapdragon Wearables",
  "id": "GHSA-rrxc-fgqr-57wq",
  "modified": "2022-05-24T19:13:52Z",
  "published": "2022-05-24T19:13:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-1919"
    },
    {
      "type": "WEB",
      "url": "https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

{
  "affected": [],
  "aliases": [
    "CVE-2017-13666"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-08-24T06:29:00Z",
    "severity": "MODERATE"
  },
  "details": "An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.5, as used in libbpg and other products. A small height value can cause an integer underflow, which leads to a crash. This is a different vulnerability than CVE-2017-8906.",
  "id": "GHSA-rvv7-6w95-x7c7",
  "modified": "2022-05-17T01:16:31Z",
  "published": "2022-05-17T01:16:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-13666"
    },
    {
      "type": "WEB",
      "url": "https://bitbucket.org/multicoreware/x265/issues/364/integer-overflow-and-affect-top-level"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2024-57843"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-11T15:15:07Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: fix overflow inside virtnet_rq_alloc\n\nWhen the frag just got a page, then may lead to regression on VM.\nSpecially if the sysctl net.core.high_order_alloc_disable value is 1,\nthen the frag always get a page when do refill.\n\nWhich could see reliable crashes or scp failure (scp a file 100M in size\nto VM).\n\nThe issue is that the virtnet_rq_dma takes up 16 bytes at the beginning\nof a new frag. When the frag size is larger than PAGE_SIZE,\neverything is fine. However, if the frag is only one page and the\ntotal size of the buffer and virtnet_rq_dma is larger than one page, an\noverflow may occur.\n\nThe commit f9dac92ba908 (\"virtio_ring: enable premapped mode whatever\nuse_dma_api\") introduced this problem. And we reverted some commits to\nfix this in last linux version. Now we try to enable it and fix this\nbug directly.\n\nHere, when the frag size is not enough, we reduce the buffer len to fix\nthis problem.",
  "id": "GHSA-rvwg-gc58-2352",
  "modified": "2025-09-24T21:30:31Z",
  "published": "2025-01-11T15:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-57843"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67a11de8965c2ab19e215fb6651d44847e068614"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6aacd1484468361d1d04badfe75f264fa5314864"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8f7d6963768b114ec9644ff0148dde4c104e84b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2023-52705"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T16:15:12Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix underflow in second superblock position calculations\n\nMacro NILFS_SB2_OFFSET_BYTES, which computes the position of the second\nsuperblock, underflows when the argument device size is less than 4096\nbytes.  Therefore, when using this macro, it is necessary to check in\nadvance that the device size is not less than a lower limit, or at least\nthat underflow does not occur.\n\nThe current nilfs2 implementation lacks this check, causing out-of-bound\nblock access when mounting devices smaller than 4096 bytes:\n\n I/O error, dev loop0, sector 36028797018963960 op 0x0:(READ) flags 0x0\n phys_seg 1 prio class 2\n NILFS (loop0): unable to read secondary superblock (blocksize = 1024)\n\nIn addition, when trying to resize the filesystem to a size below 4096\nbytes, this underflow occurs in nilfs_resize_fs(), passing a huge number\nof segments to nilfs_sufile_resize(), corrupting parameters such as the\nnumber of segments in superblocks.  This causes excessive loop iterations\nin nilfs_sufile_resize() during a subsequent resize ioctl, causing\nsemaphore ns_segctor_sem to block for a long time and hang the writer\nthread:\n\n INFO: task segctord:5067 blocked for more than 143 seconds.\n      Not tainted 6.2.0-rc8-syzkaller-00015-gf6feea56f66d #0\n \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:segctord        state:D stack:23456 pid:5067  ppid:2\n flags:0x00004000\n Call Trace:\n  \u003cTASK\u003e\n  context_switch kernel/sched/core.c:5293 [inline]\n  __schedule+0x1409/0x43f0 kernel/sched/core.c:6606\n  schedule+0xc3/0x190 kernel/sched/core.c:6682\n  rwsem_down_write_slowpath+0xfcf/0x14a0 kernel/locking/rwsem.c:1190\n  nilfs_transaction_lock+0x25c/0x4f0 fs/nilfs2/segment.c:357\n  nilfs_segctor_thread_construct fs/nilfs2/segment.c:2486 [inline]\n  nilfs_segctor_thread+0x52f/0x1140 fs/nilfs2/segment.c:2570\n  kthread+0x270/0x300 kernel/kthread.c:376\n  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308\n  \u003c/TASK\u003e\n ...\n Call Trace:\n  \u003cTASK\u003e\n  folio_mark_accessed+0x51c/0xf00 mm/swap.c:515\n  __nilfs_get_page_block fs/nilfs2/page.c:42 [inline]\n  nilfs_grab_buffer+0x3d3/0x540 fs/nilfs2/page.c:61\n  nilfs_mdt_submit_block+0xd7/0x8f0 fs/nilfs2/mdt.c:121\n  nilfs_mdt_read_block+0xeb/0x430 fs/nilfs2/mdt.c:176\n  nilfs_mdt_get_block+0x12d/0xbb0 fs/nilfs2/mdt.c:251\n  nilfs_sufile_get_segment_usage_block fs/nilfs2/sufile.c:92 [inline]\n  nilfs_sufile_truncate_range fs/nilfs2/sufile.c:679 [inline]\n  nilfs_sufile_resize+0x7a3/0x12b0 fs/nilfs2/sufile.c:777\n  nilfs_resize_fs+0x20c/0xed0 fs/nilfs2/super.c:422\n  nilfs_ioctl_resize fs/nilfs2/ioctl.c:1033 [inline]\n  nilfs_ioctl+0x137c/0x2440 fs/nilfs2/ioctl.c:1301\n  ...\n\nThis fixes these issues by inserting appropriate minimum device size\nchecks or anti-underflow checks, depending on where the macro is used.",
  "id": "GHSA-rwq9-67rv-755x",
  "modified": "2024-12-31T21:30:45Z",
  "published": "2024-05-21T18:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52705"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ee5ed0126a2211f7174492da2ca2c29f43755c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f7a1135b202977b82457adde7db6c390056863b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52844d8382cd9166d708032def8905ffc3ae550f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99b9402a36f0799f25feee4465bfa4b8dfa74b4d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a158782b56b070485d54d25fc9aaf2c8f3752205"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8ef5109f93cea9933bbac0455d8c18757b3fcb4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b96591e2c35c8b47db0ec816b5fc6cb8868000ff"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2024-21309"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-01-09T18:15:54Z",
    "severity": "HIGH"
  },
  "details": "Windows Kernel-Mode Driver Elevation of Privilege Vulnerability",
  "id": "GHSA-rx9g-96r8-m5g4",
  "modified": "2024-01-09T18:30:29Z",
  "published": "2024-01-09T18:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21309"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21309"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}