ALSA-2026:83657

Vulnerability from osv_almalinux – Published: 2026-10-15 00:00 – Updated: 2026-10-16 08:39 – Source website
VLAI
Summary
Moderate: wireshark security update
Details

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

  • wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)
  • wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)
  • wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)
  • wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)

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:8",
        "name": "wireshark"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.6.2-21.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "wireshark-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.6.2-21.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "wireshark-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.6.2-21.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.  \n\nSecurity Fix(es):  \n\n  * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)\n  * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)\n  * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)\n  * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)\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-2026:83657",
  "modified": "2026-10-16T08:39:43Z",
  "published": "2026-10-15T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:83657"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-76880"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-76886"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-76919"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-76927"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2520079"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2520088"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2520093"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2520103"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-83657.html"
    }
  ],
  "related": [
    "CVE-2026-76886",
    "CVE-2026-76880",
    "CVE-2026-76919",
    "CVE-2026-76927"
  ],
  "summary": "Moderate: wireshark security update"
}



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