Use After Free in Libcomps
CVE-2019-3817
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Libcomps — versions 0.1.10
- Rpm Libcomps
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- github.com/rpm-software-management/libcomps/issues/41 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758… (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:3583 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3898 (vendor-advisory)
Frequently asked questions
- What is CVE-2019-3817?
- CVE-2019-3817 is a high-severity vulnerability in Libcomps, classified under Use After Free. CVSS score: 7.5/10. Published 2019-03-27.
- How severe is CVE-2019-3817?
- High severity. CVSS v3 base score is 7.5 out of 10.