What’s Vulnerable › Vulnerabilities

CVE-2019-20387

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-21 · updated 2026-06-17
• Weakness: CWE-125

Description

repodata_schema2id in repodata.c in libsolv before 0.7.6 has a heap-based buffer over-read via a last schema whose length is less than the length of the input schema.

Affected products

• Debian Linux: 8.0
• OpenSUSE libsolv: before 0.7.6 — fixed in 0.7.6

How to fix

Upgrade to a fixed version: OpenSUSE libsolv 0.7.6. Check the vendor advisory for mitigations.

References

• https://github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da
• https://github.com/openSUSE/libsolv/compare/0.7.5...0.7.6
• https://lists.debian.org/debian-lts-announce/2020/01/msg00034.html
• https://github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da
• https://github.com/openSUSE/libsolv/compare/0.7.5...0.7.6
• https://lists.debian.org/debian-lts-announce/2020/01/msg00034.html

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