CVE-2012-1569
libtasn1: DER decoding buffer overflow (GNUTLS-SA-2012-3, MU-201202-02)
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · March 19, 2012
Updated · June 27, 2026
Description
The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certain large length values, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly have unspecified other impact via a crafted ASN.1 structure.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE not specified