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JLSEC-2025-103 A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU...

🗓️ 19 Oct 2025 19:08:53Reported by GoogleType 
osv_jlsec
 osv_jlsec
🔗 osv.dev👁 19 Views

FFmpeg subtitle decoder DoS in versions 3.2 and 4.1 from crafted Matroska files; handle_open_brace sscanf causes CPU hog.

Related
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2019-9721
12 Mar 201906:00
–alpinelinux
bdu_fstec
BDU FSTEC
FFmpeg Heap Buffer Overflow DoS
16 Apr 202000:00
–bdu_fstec
cloudfoundry
Cloud Foundry
USN-3967-1: FFmpeg vulnerabilities | Cloud Foundry
20 May 201900:00
–cloudfoundry
cve
CVE
CVE-2019-9721
12 Mar 201906:00
–cve
cvelist
Cvelist
CVE-2019-9721
12 Mar 201906:00
–cvelist
debiancve
Debian CVE
CVE-2019-9721
12 Mar 201906:00
–debiancve
euvd
EUVD
EUVD-2019-19086
7 Oct 202500:30
–euvd
mend
Mend
CVE-2019-9721
12 Mar 201906:00
–mend
nvd
NVD
CVE-2019-9721
12 Mar 201909:29
–nvd
nessus
Tenable Nessus
openSUSE 15 Security Update : ffmpeg (openSUSE-SU-2021:2919-1)
4 Sep 202100:00
–nessus
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23 Jul 2026 22:30Current
6.4Medium risk
Vulners AI Score6.4
CVSS 24.3
CVSS 3.16.5
EPSS0.01435
19