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CVE-2026-66038

🗓️ 24 Jul 2026 20:18:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 16 Views

FFmpeg 8.1.2 LCL ZLIB decoder leaks uninitialized heap memory via short zlib decompression in AVFrame output.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-66038
24 Jul 202619:39
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-66038
24 Jul 202619:39
–alpinelinux
bdu_fstec
BDU FSTEC
The vulnerability of the LCL/ZLIB video decoder in the FFmpeg multimedia library allows attackers to disclose protected information.
25 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-66038 vulnerabilities
21 Sep 202608:54
–cgr
cve
CVE
CVE-2026-66038
24 Jul 202619:39
–cve
cvelist
Cvelist
CVE-2026-66038 FFmpeg LCL/ZLIB Video Decoder Information Disclosure via lcldec.c
24 Jul 202619:39
–cvelist
debiancve
Debian CVE
CVE-2026-66038
24 Jul 202619:39
–debiancve
euvd
EUVD
EUVD-2026-48740
24 Jul 202619:39
–euvd
fedora
Fedora
[SECURITY] Fedora 44 Update: ffmpeg-8.1.3-1.fc44
1 Oct 202601:13
–fedora
nessus
Tenable Nessus
Fedora 44 : ffmpeg (2026-3e109a0c85)
1 Oct 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04allffmpeg7:3.4.11-0ubuntu0.1+esm13ffmpeg_7:3.4.11-0ubuntu0.1+esm13_all.deb
Ubuntu20.04allffmpeg7:4.2.7-0ubuntu0.1+esm14ffmpeg_7:4.2.7-0ubuntu0.1+esm14_all.deb
Ubuntu22.04allffmpeg7:4.4.2-0ubuntu0.22.04.1+esm13ffmpeg_7:4.4.2-0ubuntu0.22.04.1+esm13_all.deb
Ubuntu24.04allffmpeg7:6.1.1-3ubuntu5+esm11ffmpeg_7:6.1.1-3ubuntu5+esm11_all.deb
Ubuntu16.04allffmpeg7:2.8.17-0ubuntu0.1+esm15ffmpeg_7:2.8.17-0ubuntu0.1+esm15_all.deb
Ubuntu26.04allffmpeg7:8.0.1-3ubuntu2+esm3ffmpeg_7:8.0.1-3ubuntu2+esm3_all.deb
Ubuntu14.04alllibav0libav_0_all.deb

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09 Sep 2026 20:52Current
7.4High risk
Vulners AI Score7.4
CVSS 3.16.5
CVSS 47.1
EPSS0.00439
SSVC
16