Use After Free in Imagemagick
CVE-2021-3962
A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.060 · change: +0.002
Affected products
- Imagemagick — versions 7.1.0-14
- Imagemagick — versions 7.1.0-14
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b45… (Patch, Third Party Advisory)
- github.com/ImageMagick/ImageMagick/issues/4446 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3962?
- CVE-2021-3962 is a high-severity vulnerability in Imagemagick, classified under Use After Free. CVSS score: 7.8/10. Published 2021-11-19.
- How severe is CVE-2021-3962?
- High severity. CVSS v3 base score is 7.8 out of 10.