CVE-2022-43240 Memory corruption in n/a

What is CVE-2022-43240?

CVE-2022-43240 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 2 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via ff_hevc_put_hevc_qpel_h_2_v_1_sse in sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.

Weakness: CWE-787

Which versions are affected by CVE-2022-43240?

It affects 2 products.

Products include Debian Debian Linux, Struktur Libde265.

How do I fix CVE-2022-43240?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-43240 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43240 exists.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-43240, DEBIAN-CVE-2022-43240, GHSA-qjx3-qp6c-j8f6, UBUNTU-CVE-2022-43240.