CVE-2023-6601 Affecting libpostproc55_9 package, versions <4.4.7-150400.3.67.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-SLES154-LIBPOSTPROC559-17379312
  • published19 Jun 2026
  • disclosed18 Jun 2026

Introduced: 18 Jun 2026

CVE-2023-6601  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libpostproc55_9 to version 4.4.7-150400.3.67.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpostproc55_9 package and not the libpostproc55_9 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

CVSS Base Scores

version 3.1