Vulnerability · Published Jul 20, 2021 · Assigned by mitre
CVE-2021-3246
High 8.8
In plain English
A high-severity security flaw in the libsndfile package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)3.1%top 12.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libsndfile | 1.0.28-10.el8_4.1 | ALSA-2021:3253 |
| AlmaLinux:8 | libsndfile-devel | 1.0.28-10.el8_4.1 | ALSA-2021:3253 |
| Debian:12 | libsndfile | 1.0.31-2 | DEBIAN-CVE-2021-3246 |
| Debian:13 | libsndfile | 1.0.31-2 | DEBIAN-CVE-2021-3246 |
| Debian:14 | libsndfile | 1.0.31-2 | DEBIAN-CVE-2021-3246 |
| Rocky Linux:8 | libsndfile | 0:1.0.28-10.el8_4.1 | RLSA-2021:3253 |
Affected products (as reported)
References
- https://github.com/libsndfile/libsndfile/issues/687
- [debian-lts-announce] 20210729 [SECURITY] [DLA 2722-1] libsndfile security update mailing-list
- DSA-4947 vendor-advisory
- FEDORA-2021-8fef82e363 vendor-advisory
- FEDORA-2021-e2dc109b4c vendor-advisory
- GLSA-202309-11 vendor-advisory