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Vulnerability · Published Nov 17, 2021 · Assigned by fedora

CVE-2021-33480

Medium 5.5

In plain English

A medium-severity use-after-free in gocr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.1%top 34.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12gocrno fix listedDEBIAN-CVE-2021-33480
Debian:13gocrno fix listedDEBIAN-CVE-2021-33480
Debian:14gocrno fix listedDEBIAN-CVE-2021-33480
Ubuntu:22.04:LTSgocrno fix listedUBUNTU-CVE-2021-33480
Ubuntu:24.04:LTSgocrno fix listedUBUNTU-CVE-2021-33480
Ubuntu:25.10gocrno fix listedUBUNTU-CVE-2021-33480
Ubuntu:26.04:LTSgocrno fix listedUBUNTU-CVE-2021-33480
Ubuntu:26.10gocrno fix listedUBUNTU-CVE-2021-33480

Affected products (as reported)

VendorProductVersions
n/a gocr gocr 0.53-20200802

Weakness: CWE-416

References