Description
Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."
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 | libksba | 1.3.4-3 | — |
| Debian 13 | libksba | 1.3.4-3 | — |
| Debian 12 | libksba | 1.3.4-3 | — |
| Debian 7 | libksba | 1.2.0-2+deb7u2 | DLA-470-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libksba | 1.3.3-1ubuntu0.16.04.1 | USN-2982-1 |
| Ubuntu 14.04 LTS | libksba | 1.3.0-3ubuntu0.14.04.2 | USN-2982-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | libksba | 1.3.0-23.1 | SUSE-SU-2016:1510-1 |
| SLES 12 | libksba | 1.3.0-23.1 | SUSE-SU-2016:1510-1 |
| SLES 11 SP4 | libksba | 1.0.4-1.25.1 | SUSE-SU-2016:1509-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | libksba | 1.3.0-23.1 | SUSE-SU-2016:1510-1 |
| SLES for SAP 12 | libksba | 1.3.0-23.1 | SUSE-SU-2016:1510-1 |
| SLES for SAP 11 SP4 | libksba | 1.0.4-1.25.1 | SUSE-SU-2016:1509-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libksba | 1.3.5-1.3 | openSUSE-SU-2024:10126-1 |
Advisories 5
- USN-2982-1 libksba vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-470-1 libksba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10126-1 libksba-devel-1.3.5-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1510-1 Security update for libksba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1509-1 Security update for libksba SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-2982-1 vendor-advisory
- [oss-security] 20160511 Re: CVE request: libksba out-of-bouds read remote DOS issue fixed in 1.3.4 mailing-list
- openSUSE-SU-2016:1525 vendor-advisory
- GLSA-201706-22 vendor-advisory
- [oss-security] 20160510 CVE request: libksba out-of-bouds read remote DOS issue fixed in 1.3.4 mailing-list
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=a7eed17a0b2a1c09ef986f3b4b323cd31cea2b64