CVE catalog
CVE-2018-6003
libtasn1-6: CVE-2018-6003
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.83% · Oct 27, 2026
An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.
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 | 3.10 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.11 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.12 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.13 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.14 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.15 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.16 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.17 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.18 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.19 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.20 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.21 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.22 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.23 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.24 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.4 | 4.8-r3 | fixed |
| Alpine | libtasn1 | 3.5 | 4.9-r3 | fixed |
| Alpine | libtasn1 | 3.6 | 4.10-r3 | fixed |
| Alpine | libtasn1 | 3.7 | 4.12-r3 | fixed |
| Alpine | libtasn1 | 3.8 | 4.13-r0 | fixed |
| Alpine | libtasn1 | 3.9 | 4.13-r0 | 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 | vulnerable |
| Ubuntu | libtasn1-6 | 16.04 | 4.7-3ubuntu0.16.04.3 | fixed |
| Suse | libtasn1 | linux enterprise desktop 12 sp3 | 4.9-3.5.1 | fixed |
| Suse | libtasn1 | linux enterprise software development kit 12 sp3 | 4.9-3.5.1 | fixed |
| Suse | libtasn1 | linux enterprise server 12 sp3 | 4.9-3.5.1 | fixed |
| Suse | libtasn1 | linux enterprise server for sap applications 12 sp3 | 4.9-3.5.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtasn1-6 | source | sid | 4.13-2 | not yet assigned | Not reported | Not reported |
| Debian | libtasn1-6 | source | forky | 4.13-2 | not yet assigned | Not reported | Not reported |
| Debian | libtasn1-6 | source | trixie | 4.13-2 | not yet assigned | Not reported | Not reported |
| Debian | libtasn1-6 | source | bookworm | 4.13-2 | not yet assigned | Not reported | Not reported |
| Alpine | libtasn1 | apk | 3.10 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.11 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.12 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.13 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.14 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.15 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.16 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.17 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.18 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.19 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.20 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.21 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.22 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.23 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.24 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.4 | 4.8-r3 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.5 | 4.9-r3 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.6 | 4.10-r3 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.7 | 4.12-r3 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.8 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Alpine | libtasn1 | apk | 3.9 | 4.13-r0 | Not reported | ALPINE-CVE-2018-6003 | Not reported |
| Ubuntu | libtasn1-6 | deb | 16.04 | 4.7-3ubuntu0.16.04.3 | Not reported | UBUNTU-CVE-2018-6003 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise desktop 12 sp3 | 4.9-3.5.1 | Not reported | SUSE-SU-2018:0295-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise software development kit 12 sp3 | 4.9-3.5.1 | Not reported | SUSE-SU-2018:0295-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server 12 sp3 | 4.9-3.5.1 | Not reported | SUSE-SU-2018:0295-1 | Not reported |
| Suse | libtasn1 | rpm | linux enterprise server for sap applications 12 sp3 | 4.9-3.5.1 | Not reported | SUSE-SU-2018:0295-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtasn1-6]Fixed
Details (4)
4.19.0-2+deb12u1· amd64 · bookwormFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.13-2dsa · 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:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.13-2dsa · 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:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookwormFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
4.13-2dsa · 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:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookwormFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookworm-securityFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · bookworm; dsa · libtasn1-6 · debian · 12
4.19.0-2+deb12u1· all · bookworm-securityFixed · Fixed:
4.13-2dsa · 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:
4.13-2dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
- [libtasn1-6-dev]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· amd64 · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
- [libtasn1-bin]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· amd64 · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· arm64 · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
- [libtasn1-doc]Fixed
Source package: [libtasn1-6]
Details (2)
4.20.0-2+deb13u1· all · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
4.20.0-2+deb13u1· all · trixieFixed · Fixed:
4.13-2dsa · libtasn1-6 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_0295-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-6003]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-6003]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0295-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-6003]
- [https://security-tracker.debian.org/tracker/CVE-2018-6003]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-6003.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]