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Status published
Medium
CVE-2019-9720
A stack-based buffer overflow in the subtitle decoder in Libav...
Vulnerability Description
A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from libav
View All →CVE-2020-18778
In Libav 12.3, there is a heap-based buffer over-read in...
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CVE-2020-18776
In Libav 12.3, there is a segmentation fault in vc1_decode_b_mb_intfr...
Medium
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CVE-2020-18775
In Libav 12.3, there is a heap-based buffer over-read in...
Medium
6.5
CVE-2019-9719
A stack-based buffer overflow in the subtitle decoder in Libav...
High
8.8
CVE-2019-9717
In Libav 12.3, a denial of service in the subtitle...
Medium
6.5
Affected Vendor
libav
View all reports →Affected Software
libav
Vulnerable Versions:
0
Timeline
Official Publish:
September 19th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.