What is CVE-2026-49346?

CVE-2026-49346 is a high-severity vulnerability in Strukturag Libde265, classified under Integer Overflow or Wraparound. CVSS score: 7.1/10. Published 2026-06-19.

How severe is CVE-2026-49346?

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

Integer overflow in Strukturag Libde265

CVE-2026-49346

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in `de265_image_get_buffer()` (`libde265/…

Vulnerability class: Integer 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 < 1.1.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

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

Frequently asked questions

What is CVE-2026-49346?: CVE-2026-49346 is a high-severity vulnerability in Strukturag Libde265, classified under Integer Overflow or Wraparound. CVSS score: 7.1/10. Published 2026-06-19.
How severe is CVE-2026-49346?: High severity. CVSS v3 base score is 7.1 out of 10.