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No exploitation reportedFix available

CVE-2019-15942

No exploitation reported by the sources we read.

  • Published2019-09-05
  • WeaknessCWE-252

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645_parse because alloc_rbsp_buffer in libavcodec/h2645_parse.c mishandles rbsp_buffer.

Timeline

dates in UTC
  1. 2019-09-0516:15CVE publishedNVD

Versions per branch

NVD
Ffmpeg
BranchAffectedFixed in
4.2≤ 4.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • ffmpegCleanStartall versions · fixed in 4.2.1-r0and 1 other package
  • ffmpegAlpine:v3.24all versions · fixed in 4.2.1-r0
  • ffmpegAlpine:v3.23all versions · fixed in 4.2.1-r0
  • ffmpegAlpine:v3.22all versions · fixed in 4.2.1-r0and 1 other package
  • ffmpegAlpine:v3.21all versions · fixed in 4.2.1-r0and 1 other package
  • ffmpegAlpine:v3.20all versions · fixed in 4.2.1-r0and 1 other package
  • ffmpegAlpine:v3.19all versions · fixed in 4.2.1-r0and 1 other package
  • ffmpegAlpine:v3.18all versions · fixed in 4.2.1-r0and 1 other package

11 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-15942 Red Hat Product Security

    ffmpeg: conditional jump or move depends on uninitialised value

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-09-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8pcj-qprc-8gf2

Frequently asked questions

What is CVE-2019-15942?

FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645_parse because alloc_rbsp_buffer in libavcodec/h2645_parse.c mishandles rbsp_buffer.

Is CVE-2019-15942 actively exploited?

Active exploitation of CVE-2019-15942 has not been confirmed. Its EPSS score was 2.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-15942?

CVE-2019-15942 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record