Buffer overflow in Libsndfile Project
CVE-2021-3246
A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to execute arbitrary code via a crafted WAV file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Libsndfile Project — versions 1.0.30
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- github.com/libsndfile/libsndfile/issues/687 (Exploit, Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/07/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2021/dsa-4947 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202309-11 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-3246?
- CVE-2021-3246 is a high-severity vulnerability in Libsndfile Project, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-07-20.
- How severe is CVE-2021-3246?
- High severity. CVSS v3 base score is 8.8 out of 10.