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CVE-2022-2521

Good to know:

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Date: August 31, 2022

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.

Language: C

Severity Score

Related Resources (10)

https://gitlab.com/libtiff/libtiff/-/merge_requests/378
https://access.redhat.com/security/cve/CVE-2022-2521
https://access.redhat.com/errata/RHSA-2023:0302
https://gitlab.com/libtiff/libtiff/-/issues/422
https://bugzilla.redhat.com/show_bug.cgi?id=2122799
https://www.debian.org/security/2023/dsa-5333
https://nvd.nist.gov/vuln/detail/CVE-2022-2521
https://security-tracker.debian.org/tracker/CVE-2022-2521
https://access.redhat.com/errata/RHSA-2023:0095
https://www.mend.io/vulnerability-database/CVE-2022-2521

Severity Score

Weakness Type (CWE)

Release of Invalid Pointer or Reference

CWE-763

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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