CVE-2016-9823
CVE-2016-9823 is a medium-severity vulnerability in Libav with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Libav
- Published:
- Last modified:
Description
libavcodec/x86/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.
Frequently asked questions
- What is CVE-2016-9823?
- libavcodec/x86/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.
- How severe is CVE-2016-9823?
- CVE-2016-9823 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-9823 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-9823?
- CVE-2016-9823 affects Libav. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-9823?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-9823 published?
- CVE-2016-9823 was published on 2017-03-01 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/94732
- https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/
Affected products (1)
- cpe:2.3:a:libav:libav:11.8:*:*:*:*:*:*:*
More vulnerabilities in Libav
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- CVE-2011-3937 — Critical (CVSS 10.0): The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions…
- CVE-2012-5144 — Critical (CVSS 10.0): Google Chrome before 23.0.1271.97, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5, do not properly perform AAC…
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- CVE-2012-2803 — Critical (CVSS 10.0): Double free vulnerability in the mpeg_decode_frame function in libavcodec/mpeg12.c in FFmpeg before 0.11, and Libav…
- CVE-2012-2802 — Critical (CVSS 10.0): Unspecified vulnerability in the ac3_decode_frame function in libavcodec/ac3dec.c in FFmpeg before 0.11 and Libav 0.8.x…
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