Bug 1129714 (CVE-2019-9721) - VUL-1: CVE-2019-9721: ffmpeg: denial of service in the subtitle decoder in handle_open_brace from libavcodec/htmlsubtitles.c
Summary: VUL-1: CVE-2019-9721: ffmpeg: denial of service in the subtitle decoder in ha...
Status: RESOLVED FIXED
Alias: CVE-2019-9721
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P4 - Low : Normal
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/226356/
Whiteboard: CVSSv3:SUSE:CVE-2019-9721:4.3:(AV:N/A...
Keywords:
Depends on:
Blocks:
 
Reported: 2019-03-19 08:31 UTC by Robert Frohl
Modified: 2024-05-07 09:13 UTC (History)
4 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description Robert Frohl 2019-03-19 08:31:54 UTC 
CVE-2019-9721

A denial of service in the subtitle decoder in FFmpeg 4.1 allows attackers
to hog the CPU via a crafted video file in Matroska format, because
handle_open_brace in libavcodec/htmlsubtitles.c has a complex format
argument to sscanf.

patch:
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/894995c41e0795c7a44f81adc4838dedc3932e65

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-9721
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9721.html
Comment 1 Robert Frohl 2019-03-19 08:34:17 UTC 
affected codestream:
- SUSE:SLE-15:Update
Comment 11 Swamp Workflow Management 2021-09-02 13:18:20 UTC 
# maintenance_jira_update_notice
openSUSE-SU-2021:2919-1: An update that fixes 8 vulnerabilities is now available.

Category: security (important)
Bug References: 1129714,1186849,1186859,1186861,1186863,1189142,1189348,1189350
CVE References: CVE-2019-9721,CVE-2020-21688,CVE-2020-21697,CVE-2020-22046,CVE-2020-22048,CVE-2020-22049,CVE-2020-22054,CVE-2021-38114
JIRA References: 
Sources used:
openSUSE Leap 15.3 (src):    ffmpeg-3.4.2-11.8.2
Comment 12 Swamp Workflow Management 2021-09-02 13:34:36 UTC 
# maintenance_jira_update_notice
SUSE-SU-2021:2919-1: An update that fixes 8 vulnerabilities is now available.

Category: security (important)
Bug References: 1129714,1186849,1186859,1186861,1186863,1189142,1189348,1189350
CVE References: CVE-2019-9721,CVE-2020-21688,CVE-2020-21697,CVE-2020-22046,CVE-2020-22048,CVE-2020-22049,CVE-2020-22054,CVE-2021-38114
JIRA References: 
Sources used:
SUSE Linux Enterprise Workstation Extension 15-SP3 (src):    ffmpeg-3.4.2-11.8.2
SUSE Linux Enterprise Workstation Extension 15-SP2 (src):    ffmpeg-3.4.2-11.8.2
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (src):    ffmpeg-3.4.2-11.8.2
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (src):    ffmpeg-3.4.2-11.8.2
SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (src):    ffmpeg-3.4.2-11.8.2
SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (src):    ffmpeg-3.4.2-11.8.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 13 Swamp Workflow Management 2021-09-02 16:17:00 UTC 
# maintenance_jira_update_notice
SUSE-SU-2021:2929-1: An update that fixes 31 vulnerabilities is now available.

Category: security (important)
Bug References: 1129714,1172640,1186406,1186583,1186586,1186587,1186596,1186597,1186598,1186600,1186603,1186604,1186605,1186613,1186614,1186615,1186616,1186658,1186660,1186757,1186758,1186762,1186763,1186849,1186859,1186861,1186863,1189142,1189348,1189350
CVE References: CVE-2019-17539,CVE-2019-9721,CVE-2020-13904,CVE-2020-20448,CVE-2020-20451,CVE-2020-21041,CVE-2020-21688,CVE-2020-21697,CVE-2020-22015,CVE-2020-22016,CVE-2020-22017,CVE-2020-22019,CVE-2020-22020,CVE-2020-22021,CVE-2020-22022,CVE-2020-22023,CVE-2020-22025,CVE-2020-22026,CVE-2020-22031,CVE-2020-22032,CVE-2020-22033,CVE-2020-22034,CVE-2020-22038,CVE-2020-22039,CVE-2020-22043,CVE-2020-22044,CVE-2020-22046,CVE-2020-22048,CVE-2020-22049,CVE-2020-22054,CVE-2021-38114
JIRA References: 
Sources used:
SUSE Manager Server 4.0 (src):    ffmpeg-3.4.2-4.34.2
SUSE Manager Retail Branch Server 4.0 (src):    ffmpeg-3.4.2-4.34.2
SUSE Manager Proxy 4.0 (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise Server for SAP 15-SP1 (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise Server for SAP 15 (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise Server 15-SP1-LTSS (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise Server 15-SP1-BCL (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise Server 15-LTSS (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise High Performance Computing 15-LTSS (src):    ffmpeg-3.4.2-4.34.2
SUSE Linux Enterprise High Performance Computing 15-ESPOS (src):    ffmpeg-3.4.2-4.34.2
SUSE Enterprise Storage 6 (src):    ffmpeg-3.4.2-4.34.2
SUSE CaaS Platform 4.0 (src):    ffmpeg-3.4.2-4.34.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 14 Thomas Leroy 2024-05-07 09:13:30 UTC 
All done, closing.