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.

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.

EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.

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.

Affected products

Libtiff — versions 4.4.0
Debian Debian_linux — versions 11.0
N/a Libtiff — versions libtiff 4.4.0rc1

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

secalert@redhat.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (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.