What’s Vulnerable › Vulnerabilities

CVE-2019-3817

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-27 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• libcomps: before 0.1.10 — fixed in 0.1.10

How to fix

Upgrade to a fixed version: libcomps 0.1.10. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2019:3583
• https://access.redhat.com/errata/RHSA-2019:3898
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3817
• https://github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758876d415e7046
• https://github.com/rpm-software-management/libcomps/issues/41
• https://access.redhat.com/errata/RHSA-2019:3583
• https://access.redhat.com/errata/RHSA-2019:3898
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3817
• https://github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758876d415e7046
• https://github.com/rpm-software-management/libcomps/issues/41

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