
CVE catalog
CVE-2017-6891
libtasn1-6: CVE-2017-6891
- Severity
- High · CVSS 7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.58% · Oct 27, 2026
Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libtasn1-6 | sid | 4.21.0-2 | fixed |
| Debian | libtasn1-6 | forky | 4.21.0-2 | fixed |
| Debian | libtasn1-6 | trixie | 4.20.0-2+deb13u1 | fixed |
| Debian | libtasn1-6 | bookworm | 4.19.0-2+deb12u1 | fixed |
| Debian | libtasn1-6 | bookworm-security | 4.19.0-2+deb12u1 | fixed |
| Alpine | libtasn1 | 3.3 | 4.7-r2 | fixed |
| Alpine | libtasn1 | 3.4 | 4.8-r1 | fixed |
| Alpine | libtasn1 | 3.5 | 4.9-r1 | fixed |
| Alpine | libtasn1 | 3.6 | 4.10-r1 | fixed |
| Ubuntu | libtasn1-6 | 14.04 | 3.3-2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.1 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.3 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.4 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.5 | fixed |
| Ubuntu | libtasn1-6 | 16.04 | 4.5-2 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-2 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3ubuntu0.16.04.1 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3ubuntu0.16.04.2 | fixed |
| Ubuntu | libtasn1-6 | 14.04 | 3.3-2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.1 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.2 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.3 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.4 | vulnerable |
| Ubuntu | libtasn1-6 | 14.04 | 3.4-3ubuntu0.5 | fixed |
| Ubuntu | libtasn1-6 | 16.04 | 4.5-2 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-2 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3ubuntu0.16.04.1 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3ubuntu0.16.04.2 | fixed |
| Suse | libtasn1 | linux enterprise desktop 12 sp3 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise desktop 12 sp4 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise software development kit 12 sp3 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise software development kit 12 sp4 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise server 12 sp3 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise server for sap applications 12 sp3 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise server 12 sp4 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise server for sap applications 12 sp4 | 4.9-3.10.1 | fixed |
| Suse | libtasn1 | linux enterprise server 12 sp2-bcl | 3.7-13.7.1 | fixed |
| Suse | gnutls | linux enterprise software development kit 11 sp4 | 2.4.1-24.39.70.1 | fixed |
| Suse | gnutls | linux enterprise high availability extension 11 sp4 | 2.4.1-24.39.70.1 | fixed |
| Suse | gnutls | linux enterprise server 11 sp4 | 2.4.1-24.39.70.1 | fixed |
| Suse | gnutls | linux enterprise server for sap applications 11 sp4 | 2.4.1-24.39.70.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtasn1-6 | source | sid | 4.10-1.1 | not yet assigned | Not reported | [863186] |
| Debian | libtasn1-6 | source | forky | 4.10-1.1 | not yet assigned | Not reported | [863186] |
| Debian | libtasn1-6 | source | trixie | 4.10-1.1 | not yet assigned | Not reported | [863186] |
| Debian | libtasn1-6 | source | bookworm | 4.10-1.1 | not yet assigned | Not reported | [863186] |
| Alpine | libtasn1 | apk | 3.3 | 4.7-r2 | Not reported | ALPINE-CVE-2017-6891 | Not reported |
| Alpine | libtasn1 | apk | 3.4 | 4.8-r1 | Not reported | ALPINE-CVE-2017-6891 | Not reported |
| Alpine | libtasn1 | apk | 3.5 | 4.9-r1 | Not reported | ALPINE-CVE-2017-6891 | Not reported |
| Alpine | libtasn1 | apk | 3.6 | 4.10-r1 | Not reported | ALPINE-CVE-2017-6891 | Not reported |
| Ubuntu | libtasn1-6 | deb | 14.04 | 3.4-3ubuntu0.5 | Not reported | UBUNTU-CVE-2017-6891 | Not reported |
| Ubuntu | libtasn1-6 | deb | 16.04 | 4.7-3ubuntu0.16.04.2 | Not reported | UBUNTU-CVE-2017-6891 | Not reported |
| Ubuntu | libtasn1-6 | deb | 14.04 | 3.4-3ubuntu0.5 | Not reported | USN-3309-1 | Not reported |
| Ubuntu | libtasn1-6 | deb | 16.04 | 4.7-3ubuntu0.16.04.2 | Not reported | USN-3309-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise desktop 12 sp3 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise desktop 12 sp4 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise software development kit 12 sp3 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise software development kit 12 sp4 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server 12 sp3 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server for sap applications 12 sp3 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server 12 sp4 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server for sap applications 12 sp4 | 4.9-3.10.1 | Not reported | SUSE-SU-2019:1379-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server 12 sp2-bcl | 3.7-13.7.1 | Not reported | SUSE-SU-2022:3797-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise software development kit 11 sp4 | 2.4.1-24.39.70.1 | Not reported | SUSE-SU-2017:1886-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise high availability extension 11 sp4 | 2.4.1-24.39.70.1 | Not reported | SUSE-SU-2017:1886-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server 11 sp4 | 2.4.1-24.39.70.1 | Not reported | SUSE-SU-2017:1886-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server for sap applications 11 sp4 | 2.4.1-24.39.70.1 | Not reported | SUSE-SU-2017:1886-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtasn1-6]Fixed
Details (4)
4.19.0-2+deb12u1· amd64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
- [libtasn1-6-dev]Fixed
Source package: [libtasn1-6]
Details (4)
4.19.0-2+deb12u1· amd64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
- [libtasn1-bin]Fixed
Source package: [libtasn1-6]
Details (4)
4.19.0-2+deb12u1· amd64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
- [libtasn1-doc]Fixed
Source package: [libtasn1-6]
Details (4)
4.19.0-2+deb12u1· all · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookwormFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookworm-securityFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
[Debian 13 (Trixie)]
- [libtasn1-6]Fixed
Details (2)
4.20.0-2+deb13u1· amd64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
- [libtasn1-6-dev]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· amd64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
- [libtasn1-bin]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· amd64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
- [libtasn1-doc]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· all · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· all · trixieFixed · Fixed:
4.10-1.1dsa · libtasn1-6 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2017_1886-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2017-6891]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-6891]
- [https://osv.dev/vulnerability/DLA-950-1]
- [https://osv.dev/vulnerability/DSA-3861-1]
- [https://osv.dev/vulnerability/SUSE-SU-2017:1886-1]
- [https://osv.dev/vulnerability/SUSE-SU-2019:1379-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:3797-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-6891]
- [https://osv.dev/vulnerability/USN-3309-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-6891]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-6891.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]