🛡️ CVE-2022-0943 — debian-linux

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2022-0943 is classified as CWE-122: Heap-based Buffer Overflow. A write past the end of a heap allocation corrupts allocator metadata or neighbouring objects.

Affected software

CVE-2022-0943 is recorded against 4 packages.

• debian-linux
• fedora
• macos (fixed in 13.0)
• vim (fixed in 8.2.4563)

Timeline and source

Published on 14 March 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

seclists.org
seclists.org
github.com
huntr.dev
lists.debian.org
lists.debian.org
lists.fedoraproject.org
lists.fedoraproject.org
security.gentoo.org
support.apple.com
seclists.org
seclists.org
github.com
huntr.dev
lists.debian.org
lists.debian.org
lists.fedoraproject.org
lists.fedoraproject.org
security.gentoo.org
support.apple.com

Other advisories for this package

debian-linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-12996 (8.1 High, published 30 Jul 2026)
• CVE-2026-14355 (5.6 Medium, published 3 Jul 2026)
• CVE-2026-56968 (3.7 Low, published 23 Jun 2026)
• CVE-2026-49975 (7.5 High, published 8 Jun 2026)
• CVE-2026-9256 (8.1 High, published 22 May 2026)
• CVE-2026-46333 (7.1 High, published 15 May 2026)
• CVE-2026-31431 (7.8 High, published 22 Apr 2026)
• CVE-2026-41082 (7.3 High, published 16 Apr 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-122: Heap-based Buffer Overflow) in other software:

• CVE-2022-46290 (9.8 Critical, published 13 Jul 2026)
• CVE-2022-46289 (9.8 Critical, published 13 Jul 2026)
• CVE-2023-25668 (9.5 Critical, published 29 Jun 2026)
• CVE-2023-40889 (9.5 Critical, published 29 Jun 2026)
• CVE-2023-43688 (7.5 High, published 9 Jun 2026)
• CVE-2024-30045 (6.3 Medium, published 4 Sep 2025)
• CVE-2023-28905 (8.0 High, published 28 Jun 2025)
• CVE-2024-31580 (8.0 High, published 11 Jun 2025)

CVE-2022-0943 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References