SUSE-SU-2026:0053-1

Vulnerability from csaf_suse - Published: 2026-01-07 11:03 - Updated: 2026-01-07 11:03
Summary
Security update for libpcap

Notes

Title of the patch
Security update for libpcap
Description of the patch
This update for libpcap fixes the following issues: - CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds read and write (bsc#1255765).
Patchnames
SUSE-2026-53,SUSE-SUSE-MicroOS-5.2-2026-53
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

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    "distribution": {
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        "text": "This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n",
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    "title": "Security update for libpcap",
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  "vulnerabilities": [
    {
      "cve": "CVE-2025-11961",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-11961"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Micro 5.2:libpcap1-1.9.1-150300.3.6.1.x86_64"
        ]
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-11961",
          "url": "https://www.suse.com/security/cve/CVE-2025-11961"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1255765 for CVE-2025-11961",
          "url": "https://bugzilla.suse.com/1255765"
        }
      ],
      "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": [
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            "SUSE Linux Enterprise Micro 5.2:libpcap1-1.9.1-150300.3.6.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Micro 5.2:libpcap1-1.9.1-150300.3.6.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:libpcap1-1.9.1-150300.3.6.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-07T11:03:52Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-11961"
    }
  ]
}


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Sightings

Author Source Type Date

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.


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