Use After Free in Uriparser Project
CVE-2021-46142
An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
- Uriparser Project
- Debian Linux — versions 9.0, 10.0, 11.0
- Fedoraproject Extra Packages For Enterprise Linux — versions 8.0
- Fedoraproject Fedora — versions 34, 35
- openSUSE Backports — versions sle-15
- openSUSE Factory
- openSUSE Leap — versions 15.3
Weakness classification (CWE)
References
- github.com/uriparser/uriparser/pull/124 (Exploit, Patch, Third Party Advisory)
- github.com/uriparser/uriparser/issues/122 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2022/dsa-5063 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46142?
- CVE-2021-46142 is a medium-severity vulnerability in Uriparser Project, classified under Use After Free. CVSS score: 5.5/10. Published 2022-01-06.
- How severe is CVE-2021-46142?
- Medium severity. CVSS v3 base score is 5.5 out of 10.