Out-of-bounds Write Affecting libde265 package, versions <1.1.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Jun 2026
- disclosed19 Jun 2026
Introduced: 19 Jun 2026
CVE-2026-49295 (opens in a new tab)How to fix?
Upgrade Debian:unstable libde265 to version 1.1.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libde265 package and not the libde265 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.