Description
The ssl_decrypt_buf function in library/ssl_tls.c in PolarSSL before 1.2.11 and 1.3.x before 1.3.8 allows remote attackers to cause a denial of service (crash) via vectors related to the GCM ciphersuites, as demonstrated using the Codenomicon Defensics toolkit.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | polarssl | 1.2.9-1~deb7u3 | DSA-2981-1 |
| Debian 6.0 | polarssl | 1.2.9-1~deb6u2 | DLA-36-1 |
Advisories 2
- DSA-2981-1 polarssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-36-1 polarssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2014-02
- DSA-2981 vendor-advisory
- 60215 third-party-advisory