Heap-based buffer overflow in the ff_audio_resample function in resample.c in libav before 11.4 allows remote attackers to cause a denial of service (crash) via vectors related to buffer resizing.
CVE-2016-6832
Score 5.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 30(Track)EG Risk 30/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity55% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 75%
- KEV
- Not listed
Published
February 15, 2017
Last Modified
June 17, 2026
References (10)
- secalert@redhathttp://www.openwall.com/lists/oss-security/2016/08/13/1
- secalert@redhathttp://www.openwall.com/lists/oss-security/2016/08/18/1
- secalert@redhathttps://blogs.gentoo.org/ago/2016/08/07/libav-heap-based-buffer-overflow-in-ff_audio_resample-resample-c/
- secalert@redhathttps://bugzilla.libav.org/show_bug.cgi?id=825
- secalert@redhathttps://git.libav.org/?p=libav.git%3Ba=commit%3Bh=0ac8ff618c5e6d878c547a8877e714ed728950ce
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/08/13/1
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/08/18/1
- af854a3a-2127-422b-91ae-364da2661108https://blogs.gentoo.org/ago/2016/08/07/libav-heap-based-buffer-overflow-in-ff_audio_resample-resample-c/
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.libav.org/show_bug.cgi?id=825
- af854a3a-2127-422b-91ae-364da2661108https://git.libav.org/?p=libav.git%3Ba=commit%3Bh=0ac8ff618c5e6d878c547a8877e714ed728950ce
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 21× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 147 total refreshes for this CVE.
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Frequently asked(5)
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Dependency Blast Radius
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