lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.
CVSS Details
- CVSS 3.1 Base Score: 9.8
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade gnutlsUpgrade gnutls-devel | Dec 10, 2025 | Aug 17, 2009 |
| Gentoo Linux | — | Upgrade net-libs/gnutls. | Oct 30, 2017 | Apr 30, 2009 |
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