Vulnerability · Published Mar 9, 2021 · Assigned by redhat

CVE-2020-35522

Medium 5.5

In plain English

A medium-severity memory corruption in libtiff. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.6%top 24.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libtiff4.0.9-20.el8ALSA-2021:4241
AlmaLinux:8libtiff-devel4.0.9-20.el8ALSA-2021:4241
AlmaLinux:8libtiff-tools4.0.9-20.el8ALSA-2021:4241
Alpine:v3.20tiff4.2.0-r0ALPINE-CVE-2020-35522
Alpine:v3.21tiff4.2.0-r0ALPINE-CVE-2020-35522
Alpine:v3.22tiff4.2.0-r0ALPINE-CVE-2020-35522
Alpine:v3.23tiff4.2.0-r0ALPINE-CVE-2020-35522
Alpine:v3.24tiff4.2.0-r0ALPINE-CVE-2020-35522
Debian:12tiff4.1.0+git201212-1DEBIAN-CVE-2020-35522
Debian:13tiff4.1.0+git201212-1DEBIAN-CVE-2020-35522
Debian:14tiff4.1.0+git201212-1DEBIAN-CVE-2020-35522
Rocky Linux:8libtiff0:4.0.9-20.el8RLSA-2021:4241

Affected products (as reported)

VendorProductVersions
n/a libtiff libtiff 4.2.0

Weakness: CWE-119

References