CVE-2026-33164

8.7 highEPSS 0.4%

High (8.7) in struktur libde265. EPSS 0.4% chance of exploitation in the next 30 days.

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWEs: CWE-476, CWE-122
Published: 2026-03-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

struktur:libde265

References

https://github.com/strukturag/libde265/releases/tag/v1.0.17
https://github.com/strukturag/libde265/security/advisories/GHSA-wqrf-6rf5-v78r

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