CVE-2022-2521

Name: CVE-2022-2521
Creator: NVD / NIST
Published: 2022-08-31T16:15:11.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2022-2521 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.95%

56.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Libtiff	Libtiff	4.4.0	Rc1
Debian	Debian Linux	11.0	—

References

https://gitlab.com/libtiff/libtiff/-/issues/422Exploit, Issue Tracking, Patch, Third Party Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/378Exploit, Issue Tracking, Patch, Third Party Advisory
https://www.debian.org/security/2023/dsa-5333Third Party Advisory
https://gitlab.com/libtiff/libtiff/-/issues/422Exploit, Issue Tracking, Patch, Third Party Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/378Exploit, Issue Tracking, Patch, Third Party Advisory
https://www.debian.org/security/2023/dsa-5333Third Party Advisory

Timeline

Published: Aug 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2521?

How severe is CVE-2022-2521?

CVE-2022-2521 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2521?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2521?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST