Vulnerability in Exiv2
CVE-2021-34334
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.
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 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% 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
- Exiv2 — versions <= 0.27.4
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- github.com/Exiv2/exiv2/security/advisories/GHSA-hqjh-hpv8-8r9p (Patch, Third Party Advisory)
- github.com/Exiv2/exiv2/pull/1766 (Patch, 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)
- lists.debian.org/debian-lts-announce/2023/01/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202312-06 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-34334?
- CVE-2021-34334 is a medium-severity vulnerability in Exiv2, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2021-08-09.
- How severe is CVE-2021-34334?
- Medium severity. CVSS v3 base score is 5.5 out of 10.