Read the docs
TI-2019-02829 Aliases CVE-2019-3817GHSA-3rh7-494q-3mjq

Use after free in libcomps

Priority MEDIUM 41CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.

Why it matters now

EPSS 0.01721 77th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
libcompslibcomps0.1.10—No fix listedCNA
  • libcomps Vendorlibcomps Affected 0.1.10 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rpm:libcomps:*:*:*:*:*:*:*:*before 0.1.10VulnerableRpm
  • cpe:2.3:a:rpm:libcomps:*:*:*:*:*:*:*:* Versions before 0.1.10 Vulnerable ·Rpm

Remediation

Red Hat 2 advisories

  • RHSA-2019:3898 Released 2019-11-18 · Red Hat rating Moderate
    libcomps security update
    • Red Hat Enterprise Linux 7 Extras libcomps-0.1.8-13.el7, libcomps-devel-0.1.8-13.el7, libcomps-doc-0.1.8-13.el7 +2
  • RHSA-2019:3583 Released 2019-11-05 · Red Hat rating Moderate
    yum security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) createrepo_c-0.11.0-3.el8, createrepo_c-devel-0.11.0-3.el8, createrepo_c-libs-0.11.0-3.el8 +1
    • Red Hat Enterprise Linux BaseOS (v. 8) dnf-4.2.7-6.el8, dnf-automatic-4.2.7-6.el8, dnf-data-4.2.7-6.el8 +17

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7 ExtrasFixed RHSA-2019:3898
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:3583
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2019:3583

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3817
  2. 2026-10-03 Alias added: GHSA-3rh7-494q-3mjq

References

Sources