CVE-2022-2521 — Release of Invalid Pointer or Reference in Libtiff

CWE-763 — Release of Invalid Pointer or Reference8 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 68.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Debian TiffLibtiffDebian Linux
Timeline
PublishedAug 31
Latest updateNov 8

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5libtiff/libtifflibtiff 4.4.0rc1
▶NVDlibtiff/libtiff4.4.0
▶debiandebian/tiff< tiff 4.4.0-6 (bookworm)

Also affects: Debian Linux 11.0

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

4
OSV
tiff vulnerabilities↗2022-11-08
▶
GHSA
GHSA-42g8-vhhw-vw3f: It was found in libtiff 4↗2022-09-01
▶
CVEList
CVE-2022-2521: It was found in libtiff 4↗2022-08-31
▶
OSV
CVE-2022-2521: It was found in libtiff 4↗2022-08-31
▶

📋Vendor Advisories

3
Ubuntu
LibTIFF vulnerabilities↗2022-11-08
▶
Red Hat
libtiff: Invalid pointer free operation in TIFFClose() at tif_close.c↗2022-05-22
▶
Debian
CVE-2022-2521: tiff - It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation...↗2022
▶