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alsa-2026:55448
Vulnerability from osv_almalinux
Published
2026-08-17 00:00
Modified
2026-08-18 08:55
Summary
Important: libXfont2 security update
Details

X.Org X11 libXfont2 runtime library

Security Fix(es):

  • libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write (CVE-2026-59679)
  • libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client (CVE-2026-44950)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "libXfont2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.6-5.el10_2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "libXfont2-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.6-5.el10_2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "X.Org X11 libXfont2 runtime library  \n\nSecurity Fix(es):  \n\n  * libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write (CVE-2026-59679)\n  * libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client (CVE-2026-44950)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:55448",
  "modified": "2026-08-18T08:55:38Z",
  "published": "2026-08-17T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:55448"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44950"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59679"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2509620"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2509622"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-55448.html"
    }
  ],
  "related": [
    "CVE-2026-59679",
    "CVE-2026-44950"
  ],
  "summary": "Important: libXfont2 security update"
}



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