What is CVE-2026-49295?

CVE-2026-49295 is a high-severity vulnerability in Strukturag Libde265, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-06-19.

How severe is CVE-2026-49295?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Strukturag Libde265

CVE-2026-49295

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in `decoder_context::process_reference_picture_set()` (`libde265/decctx.cc:1376`)…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.

Affected products

Strukturag Libde265 — versions < 1.0.20

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-49295?: CVE-2026-49295 is a high-severity vulnerability in Strukturag Libde265, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-06-19.
How severe is CVE-2026-49295?: High severity. CVSS v3 base score is 7.1 out of 10.