libsolv
Affects libsolvSource GCVE Database
Not known to be exploited · CVSS 7.8 High.
Data as of 13 Nov 2026, 13:10 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.8 |
|---|
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10libsolvpkg:deb/ubuntu/libsolv?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlibsolvpkg:deb/ubuntu/libsolv?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 25.10libsolvpkg:deb/ubuntu/libsolv?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlibsolvpkg:deb/ubuntu/libsolv?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 22.04 LTSlibsolvpkg:deb/ubuntu/libsolv?arch=source&distro=jammyOther threats | Affected
| Fixed in– |
Ubuntu 20.04 LTSlibsolvpkg:deb/ubuntu/libsolv?arch=source&distro=focalOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat states that no mitigation is currently available or meets their criteria for ease of use, deployment, applicability, or stability. Users should monitor Red Hat advisories for future fixes or mitigations. Given the local and user-interaction requirements, limiting exposure to untrusted .solv files and repository metadata is advisable. Upgrading to fixed versions when available is recommended once Red Hat releases patches.
Description
A heap buffer overflow vulnerability exists in libsolv during decompression of specially crafted .solv files due to insufficient input validation. This can lead to out-of-bounds memory access, potentially causing information disclosure, program execution alteration, or denial of service. Exploitation requires local user interaction with malicious repository metadata. Red Hat rates the impact as Moderate given the attack vector limitations. No effective mitigation or fix meeting Red Hat's criteria is currently available.