Medium 6.5Published Aug 31, 2022

CVE-2022-2521It 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…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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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.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-763
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libtiff libtiff libtiff:libtiff	4.4.0	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://gitlab.com/libtiff/libtiff/-/issues/422	exploit, issue-tracking, patch, third-party-advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/378	exploit, issue-tracking, patch, third-party-advisory
https://www.debian.org/security/2023/dsa-5333	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.