elsa-2026-20589

oracle_linux
Description

[2.79-36] - Prevent overflow in extract_name function (CVE-2026-2291) - Prevent DoS in DNSSEC validation (CVE-2026-4890) - Prevent out-of-bounds read in DNSSEC validation (CVE-2026-4891) - Prevent out-of-bounds write in DHCPv6 server (CVE-2026-4892) - Prevent source check avoidance by RFC 7871 client-subnet (CVE-2026-4893)

Timeline
Published
unknown
Last Modified
unknown
CVSS Details

CVSS details not available.

Affected Products

No product information available.

References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

{
  "cves": [
    "CVE-2026-2291",
    "CVE-2026-4890",
    "CVE-2026-4891",
    "CVE-2026-4892",
    "CVE-2026-4893"
  ],
  "cvss": 0.0,
  "database_specific": {
    "severity": "IMPORTANT"
  },
  "description": "[2.79-36]\n- Prevent overflow in extract_name function (CVE-2026-2291)\n- Prevent DoS in DNSSEC validation (CVE-2026-4890)\n- Prevent out-of-bounds read in DNSSEC validation (CVE-2026-4891)\n- Prevent out-of-bounds write in DHCPv6 server (CVE-2026-4892)\n- Prevent source check avoidance by RFC 7871 client-subnet (CVE-2026-4893)",
  "id": "ELSA-2026-20589",
  "ovalId": "oval:com.oracle.elsa:def:202620589",
  "source": "oracle_linux",
  "title": "ELSA-2026-20589:  dnsmasq security update (IMPORTANT)",
  "url": "https://linux.oracle.com/errata/ELSA-2026-20589.html"
}
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