Description
Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.
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 14 | libtasn1-6 | 4.2-3 | — |
| Debian 13 | libtasn1-6 | 4.2-3 | — |
| Debian 12 | libtasn1-6 | 4.2-3 | — |
| Debian 7 | libtasn1-3 | 2.13-2+deb7u2 | DSA-3220-1 |
| Debian 6.0 | libtasn1-3 | 2.7-1+squeeze+3 | DLA-195-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | libtasn1-6 | 3.4-3ubuntu0.2 | USN-2559-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | libtasn1 +2 | 4.10-1.el7 | RHSA-2017:1860 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | libtasn1 | 3.7-4.1 | SUSE-SU-2015:0904-1 |
| SLES 11 SP4 | gnutls | 2.4.1-24.39.60.1 | SUSE-SU-2016:0077-1 |
| SLES 11 SP3 | gnutls | 2.4.1-24.39.60.1 | SUSE-SU-2016:0077-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | libtasn1 | 3.7-4.1 | SUSE-SU-2015:0904-1 |
| SLES for SAP 11 SP4 | gnutls | 2.4.1-24.39.60.1 | SUSE-SU-2016:0077-1 |
| SLES for SAP 11 SP3 | gnutls | 2.4.1-24.39.60.1 | SUSE-SU-2016:0077-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libtasn1 | 4.9-1.3 | openSUSE-SU-2024:10414-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | libtasn1 +2 | 4.10-1.el7 | ELSA-2017-1860 |
Advisories 8
- RHSA-2017:1860 Red Hat Security Advisory: libtasn1 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2559-1 libtasn1-3, libtasn1-6 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-195-1 libtasn1-3 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3220-1 libtasn1-3 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:0077-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10414-1 libtasn1-4.9-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:0904-1 Security update for libtasn1 SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2017-1860 Moderate: libtasn1 security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- MDVSA-2015:193 vendor-advisory
- GLSA-201509-04 vendor-advisory
- FEDORA-2015-5199 vendor-advisory
- USN-2559-1 vendor-advisory
- FEDORA-2015-5308 vendor-advisory
- FEDORA-2015-5390 vendor-advisory
- FEDORA-2015-5245 vendor-advisory
- [oss-security] 20150330 Re: Fw: GNU Libtasn1 4.4 released ( fixes stack overflow in asn1_der_decoding) mailing-list
- 1032080 vdb-entry
- 73436 vdb-entry
- RHSA-2017:1860 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- FEDORA-2015-5114 vendor-advisory
- DSA-3220 vendor-advisory
- FEDORA-2015-5182 vendor-advisory
- [oss-security] 20150329 Fw: GNU Libtasn1 4.4 released ( fixes stack overflow in asn1_der_decoding) mailing-list
- http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149