CVE-2026-88373 Affecting libde265 package, versions <1.0.15-1+e13


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-ECHOLATEST-LIBDE265-20137987
  • published25 Sept 2026
  • disclosed24 Sept 2026

Introduced: 24 Sep 2026

NewCVE-2026-88373  (opens in a new tab)

How to fix?

Upgrade Echo:latest libde265 to version 1.0.15-1+e13 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

libde265 commit 4d45a6b contains a NULL pointer dereference vulnerability in the NAL parsing path. When de265_push_NAL() is called with a zero-length NAL unit, the resulting NAL_unit may retain a NULL backing buffer, which is subsequently passed as the destination argument to memcpy() in NAL_unit::set_data(). Although the copy length is zero, this violates the nonnull requirement of memcpy() and results in undefined behavior, causing process termination in UBSan-instrumented builds and denial of service.