CVE catalog
CVE-2021-44568
libsolv: CVE-2021-44568
- Severity
- Medium · CVSS 6.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.79% · Oct 25, 2026
Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote 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 | vulnerable |
| Ubuntu | libsolv | 20.04 | 0.6.35-2ubuntu1 | vulnerable |
| Ubuntu | libsolv | 20.04 | 0.6.35-2ubuntu2 | vulnerable |
| Ubuntu | libsolv | 20.04 | 0.6.36-1 | vulnerable |
| Ubuntu | libsolv | 20.04 | 0.6.36-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libsolv | source | sid | 0.7.17-1 | unimportant | Not reported | Not reported |
| Debian | libsolv | source | forky | 0.7.17-1 | unimportant | Not reported | Not reported |
| Debian | libsolv | source | trixie | 0.7.17-1 | unimportant | Not reported | Not reported |
| Debian | libsolv | source | bookworm | 0.7.17-1 | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libsolv1]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-doc]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· all · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· all · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolvext1]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolvext-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-perl]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [libsolv-tools]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
- [python3-solv]Fixed
Source package: [libsolv]
Details (2)
0.7.23-1+deb12u1· amd64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
0.7.23-1+deb12u1· arm64 · bookwormFixed · Fixed:
0.7.17-1dsa · libsolv · debian · bookworm; dsa · libsolv · debian · 12
[Debian 13 (Trixie)]
- [libsolv1]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolv-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolv-doc]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· all · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· all · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolvext1]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolvext-dev]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolv-perl]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [libsolv-tools]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
- [python3-solv]Fixed
Source package: [libsolv]
Details (2)
0.7.32-1· amd64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
0.7.32-1· arm64 · trixieFixed · Fixed:
0.7.17-1dsa · libsolv · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-44568]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-44568]
- [https://security-tracker.debian.org/tracker/CVE-2021-44568]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-44568.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]