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TI-2019-14621 Aliases CVE-2019-20387GHSA-vvx2-pj87-xmpx

repodata_schema2id in repodata.c in libsolv before 0.7.6 has a heap-based buffer…

Priority LOW 37CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02338 83rd percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*before 0.7.6VulnerableopenSUSE
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:* Versions before 0.7.6 Vulnerable ·openSUSE
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2020:4508 Released 2020-11-04 · Red Hat rating Moderate
    libsolv security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS (v. 8) libsolv-0.7.11-1.el8, python3-solv-0.7.11-1.el8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Update Infrastructure 3 for Cloud ProvidersAffectedNo fix planned: Will not fix
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:4508
Not affected: 1 product
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-20387
  2. 2026-10-03 Alias added: GHSA-vvx2-pj87-xmpx

References

Patch 2

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences