Vulnerability · Published Jan 4, 2021 · Assigned by redhat

CVE-2020-35495

Medium 5.5

In plain English

A medium-severity null pointer dereference in binutils. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.2%top 31.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutils2.33.50.20200107-1DEBIAN-CVE-2020-35495
Debian:13binutils2.33.50.20200107-1DEBIAN-CVE-2020-35495
Debian:14binutils2.33.50.20200107-1DEBIAN-CVE-2020-35495

Affected products (as reported)

VendorProductVersions
n/a binutils binutils 2.34

Weakness: CWE-476

References