CVE-2026-49295
published 2026-06-19CVE-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…
PriorityP335high7.1CVSS 3.1
AVNACLPRNUIRSUCNILAH
EPSS
0.34%
26.0th percentile
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`). The root cause is a missing aggregate bound check on predicted short-term reference picture set entries. Individual list sizes are validated, but the combined count after predicted RPS construction can exceed the 16-entry `PocStFoll` array, writing at index 16. Version 1.0.20 patches the issue.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| struktur | libde265 | < 1.0.20 | 1.0.20 |
| strukturag | libde265 | < 1.0.20 | 1.0.20 |
| ubuntu | libde265 | — | — |
CVSS provenance
nvdv3.17.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
vendor_ubuntu3.3LOW
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Ubuntu
libde265 vulnerabilities
vendor_ubuntu·2026-07-20·CVSS 3.3
CVE-2026-45382 [LOW] libde265 vulnerabilities
Title: libde265 vulnerabilities
Summary: Several security issues were fixed in libde265.
It was discovered that libde265 did not properly manage memory under
certain circumstances. An attacker could possibly use this issue to
cause libde265 to crash, resulting in a denial of service. This issue
only affected Ubuntu 22.04 LTS. (CVE-2023-51792)
It was discovered that libde265 did not properly handle certain
malformed media files, leading to a heap buffer overflow. An attacker
could possibly use this issue to cause libde265 to crash, resulting in
a denial of service. (CVE-2024-38949, CVE-2024-38950)
It was discovered that libde265 did not properly handle certain
malformed input, leading to a segmentation fault. An attacker could
possibly use this issue to cause libde265 to crash, resultin
VulDB
strukturag libde265 up to 1.0.19 libde265/decctx.cc process_reference_picture_set out-of-bounds write (GHSA-g2rg-wj66-w594 / EUVD-2026-38079)
vuldb·2026-06-19
CVE-2026-49295 [CRITICAL] strukturag libde265 up to 1.0.19 libde265/decctx.cc process_reference_picture_set out-of-bounds write (GHSA-g2rg-wj66-w594 / EUVD-2026-38079)
A vulnerability was found in strukturag libde265 up to 1.0.19. It has been rated as critical. This impacts the function decoder_context::process_reference_picture_set of the file libde265/decctx.cc. The manipulation leads to out-of-bounds write.
This vulnerability is documented as CVE-2026-49295. The attack can be initiated remotely. There is not any exploit available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-19
Published