CVE catalog
CVE-2018-20533
libsolv: CVE-2018-20533
- Severity
- Medium · CVSS 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.08% · Oct 25, 2026
There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.
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 | libsolv | sid | 0.7.40-1 | fixed |
| Debian | libsolv | forky | 0.7.40-1 | fixed |
| Debian | libsolv | trixie | 0.7.32-1 | fixed |
| Debian | libsolv | bookworm | 0.7.23-1+deb12u1 | fixed |
| Ubuntu | libsolv | pro | 0.6.28-2build1 | vulnerable |
| Ubuntu | libsolv | pro | 0.6.30-1build1 | vulnerable |
| Ubuntu | libsolv | pro | 0.6.30-1ubuntu0.1~esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libsolv | source | sid | 0.6.36-1 | low | Not reported | [923002] |
| Debian | libsolv | source | forky | 0.6.36-1 | low | Not reported | [923002] |
| Debian | libsolv | source | trixie | 0.6.36-1 | low | Not reported | [923002] |
| Debian | libsolv | source | bookworm | 0.6.36-1 | low | Not reported | [923002] |
| Ubuntu | libsolv | deb | pro | 0.6.30-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2018-20533 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libsolv1]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-doc]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· all · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· all · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolvext1]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolvext-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-perl]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-tools]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [python3-solv]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.6.36-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
[Debian 13 (Trixie)]
- [libsolv1]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolv-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolv-doc]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· all · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· all · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolvext1]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolvext-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolv-perl]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [libsolv-tools]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
- [python3-solv]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.6.36-1dsa · libsolv · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2019:2290]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2019_2290.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-20533]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-20533]
- [https://security-tracker.debian.org/tracker/CVE-2018-20533]
- [https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2022-0517.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]