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Vulnerability · Published Dec 4, 2020 · Assigned by mitre

CVE-2020-29562

Medium 4.8

In plain English

A medium-severity security flaw in the glibc package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)1.7%top 22.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12glibc2.31-7DEBIAN-CVE-2020-29562
Debian:13glibc2.31-7DEBIAN-CVE-2020-29562
Debian:14glibc2.31-7DEBIAN-CVE-2020-29562

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

References