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Details of issue NIXPKGS-2026-1352

NIXPKGS-2026-1352
published 1 month, 3 weeks ago
Permalink CVE-2026-40686
3.7 LOW
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 1 month, 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    4 maintainers
    • @4z3
    • @Conni2461
    • @dasJ
    • @helsinki-Jo
    maintainer.ignore
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
In Exim before 4.99.2, when utf8 operators are enabled, there …

In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present (malformed UTF-8 header data). Information might be divulged within an error message produced during handling of an unrelated e-mail message.

Affected products

Exim
  • <4.99.2

Matching in nixpkgs

pkgs.exim

Mail transfer agent (MTA)

Package maintainers

Ignored maintainers (3)