How severe is CVE-2021-44568?

CVE-2021-44568 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-44568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44568?

CVE-2021-44568 affects Opensuse Libsolv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44568?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-44568 published?

CVE-2021-44568 was published on 2022-02-21 and last updated on 2026-06-17.

CVE-2021-44568

CVE-2021-44568 is a medium-severity vulnerability in Opensuse Libsolv with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Opensuse Libsolv
Published: 2022-02-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-44568?: 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.
How severe is CVE-2021-44568?: CVE-2021-44568 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-44568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44568?: CVE-2021-44568 affects Opensuse Libsolv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44568?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44568 published?: CVE-2021-44568 was published on 2022-02-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*

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