What’s Vulnerable › Vulnerabilities

CVE-2021-44568

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-21 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• OpenSUSE libsolv: before 0.7.17 — fixed in 0.7.17

How to fix

Upgrade to a fixed version: OpenSUSE libsolv 0.7.17. Check the vendor advisory for mitigations.

References

• https://github.com/openSUSE/libsolv/issues/425
• https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
• https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995
• https://github.com/openSUSE/libsolv/issues/425
• https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
• https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995

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