CVE-2026-49337 - libde265 has an unbounded memory leak via orphaned slice headers in `read_slice_NAL`

CVE-2026-49337 - libde265 has an unbounded memory leak via orphaned slice headers in `read_slice_NAL`

https://cvefeed.io/rssfeed/latest.atom / Fri, 06/19/2026 - 23:45
CVE ID :CVE-2026-49337
Published : June 19, 2026, 7:53 p.m. | 1 hour, 46 minutes ago
Description :libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes `decoder_context::read_slice_NAL()` (`libde265/decctx.cc:481`) to attach slice headers to a finished picture object that has no active image unit, resulting in attacker-controlled unbounded heap growth. The retained headers are never freed until the picture is released, which may not happen during continuous streaming. Version 1.0.20 patches the issue.
Severity: 0.0 | NA
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