Vulnerability in Libtiff
CVE-2022-2521
It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation in TIFFClose() at tif_close.c:131 called by tiffcrop.c:2522 that can cause a program crash and denial of service while processing crafted input.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.000
Affected products
- Libtiff — versions 4.4.0
- Debian Linux — versions 11.0
- Libtiff — versions libtiff 4.4.0rc1
Weakness classification (CWE)
References
- gitlab.com/libtiff/libtiff/-/issues/422 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- gitlab.com/libtiff/libtiff/-/merge_requests/378 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2023/dsa-5333 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2521?
- CVE-2022-2521 is a medium-severity vulnerability in Libtiff, classified under Release of Invalid Pointer or Reference. CVSS score: 6.5/10. Published 2022-08-31.
- How severe is CVE-2022-2521?
- Medium severity. CVSS v3 base score is 6.5 out of 10.