Buffer overflow in Libass Project
CVE-2016-7970
Buffer overflow in the calc_coeff function in libass/ass_blur.c in libass before 0.13.4 allows remote attackers to cause a denial of service via unspecified vectors.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Libass Project
- Fedoraproject Fedora — versions 23, 24, 25
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201702-25 (vendor-advisory, Patch, VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/93358 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/libass/libass/releases/tag/0.13.4 (Patch, Third Party Advisory, Release Notes)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/10/05/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/libass/libass/pull/240/commits/08e754612019ed84d1db0d1fc4f5798248dec… (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2016-7970?
- CVE-2016-7970 is a high-severity vulnerability in Libass Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-03-03.
- How severe is CVE-2016-7970?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-7970 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.