OPENSUSE-SU-2026:10857-1

Vulnerability from csaf_opensuse - Published: 2026-05-24 00:00 - Updated: 2026-05-24 00:00
Summary
rsync-3.4.3-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: rsync-3.4.3-1.1 on GA media
Description of the patch: These are all security issues fixed in the rsync-3.4.3-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-10857
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-29518
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-43617
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-43618
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-43619
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-43620
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-45232
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
References
To clipboard 

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          "text": "https://www.suse.com/security/cve/CVE-2026-43618"
        }
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        {
          "category": "general",
          "text": "Rsync version  3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overflow, allowing a malicious sender to trigger an overflow that causes the receiver process to read and return data from outside the intended buffer bounds. Attackers can exploit this vulnerability to disclose process memory contents including environment variables, passwords, heap and stack data, and library memory pointers, significantly reducing ASLR effectiveness and facilitating further exploitation.",
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      ],
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    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2026-43619"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Rsync version  3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with \u0027use chroot = no\u0027.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
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      },
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          "category": "external",
          "summary": "CVE-2026-43619",
          "url": "https://www.suse.com/security/cve/CVE-2026-43619"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1264514 for CVE-2026-43619",
          "url": "https://bugzilla.suse.com/1264514"
        }
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-24T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-43619"
    },
    {
      "cve": "CVE-2026-43620",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-43620"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Rsync version  3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recv_files() in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CF_INC_RECURSE in compatibility flags and sending a specially crafted file list where the first sorted entry is not the leading dot directory, followed by a transfer record with ndx=0 and an iflag word without ITEM_TRANSFER, causing the receiver to read 8 bytes before the allocated pointer array and dereference an invalid pointer at an unmapped address, resulting in a deterministic SIGSEGV crash of the rsync client.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-43620",
          "url": "https://www.suse.com/security/cve/CVE-2026-43620"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1264513 for CVE-2026-43620",
          "url": "https://bugzilla.suse.com/1264513"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-24T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-43620"
    },
    {
      "cve": "CVE-2026-45232",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-45232"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack address when the RSYNC_PROXY environment variable is set.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
          "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-45232",
          "url": "https://www.suse.com/security/cve/CVE-2026-45232"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265296 for CVE-2026-45232",
          "url": "https://bugzilla.suse.com/1265296"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.aarch64",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.ppc64le",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.s390x",
            "openSUSE Tumbleweed:rsync-3.4.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-24T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-45232"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.