The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.
Conclusion & alert: CVE-2016-8676 is rated Moderate Risk (49.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.66%). Core evidence: EPSS rose +1.38% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.28% | 1.66% | +1.38% |
| 2 | 2025-03-17 | 0.51% | 0.28% | -0.23% |
| 3 | 2024-12-17 | — | 0.51% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
low | CVE-2016-8676 low priority: Ubuntu including 1 source packages (libav), 8 status rows across 8 suites (artful, bionic, precise, trusty, upstream, xenial, yakkety, zesty): DNE 5, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2016-8676 |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/16/13 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/12/04/3 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/93468 | Third Party Advisory VDB Entry |
| https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/ | Patch Third Party Advisory |
| https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/ | Third Party Advisory |