CVEvulnerability

CVE-2022-3620

9.8 CRITICAL Published 2022-10-20 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2022-10-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-119, CWE-416

Description

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.

Affected configurations

• exim exim (>= 4.95 < 4.97) • fedoraproject fedora 35 • fedoraproject fedora 36 • fedoraproject fedora 37

Related

Weakness · CWE (2)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-416 Use After Free weakness

References