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Details of issue NIXPKGS-2026-1488

NIXPKGS-2026-1488
published 1 month, 2 weeks ago
Permalink CVE-2026-4892
8.4 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 1 month, 2 weeks ago by @LeSuisse Activity log
CVE-2026-4892

A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.

Affected products

dnsmasq
  • ==2.92rel2

Matching in nixpkgs

pkgs.dnsmasq

Integrated DNS, DHCP and TFTP server for small networks

  • nixos-unstable 2.92
    • nixpkgs-unstable 2.92
    • nixos-unstable-small 2.92
Ignored packages (1)

Package maintainers

Ignored maintainers (1)