PT-2026-26677 · Libde265 · Libde265

Riverside1114 · Published 2026-03-20 · Updated 2026-04-10 · CVE-2026-33164

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions libde265 versions prior to 1.0.17

Description libde265 is an open source implementation of the h.265 video codec. A malformed H.265 PPS NAL unit can cause a segmentation fault in the pic parameter set::set derived values() function.

Recommendations Update to version 1.0.17 or later.

Exploit

Fix

Heap Based Buffer Overflow

NULL Pointer Dereference

Weakness Enumeration

CWE-122

CWE-476

Related Identifiers

CVE-2026-33164

ECHO-3083-2A98-5F9B

GHSA-WQRF-6RF5-V78R

Affected Products

Libde265

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33164.json · Exploit
• https://github.com/strukturag/libde265/security/advisories/GHSA-wqrf-6rf5-v78r · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2026-33164 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-33164 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33164 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-33164 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2026-33164 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-33164 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-33164 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-33164 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-33164 · Vendor Advisory
• https://github.com/strukturag/libde265/releases/tag/v1.0.17 · Note
• https://twitter.com/cyberbivash/status/2035112242325160363 · Twitter Post
• https://twitter.com/CVEnew/status/2035262151384785208 · Twitter Post