Vulnerability · Published Feb 15, 2021 · Assigned by mitre

CVE-2021-27211

High 7.5

In plain English

A high-severity security flaw in the steghide package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.3%top 11.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier for attackers to detect hidden data.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12steghideno fix listedDEBIAN-CVE-2021-27211
Debian:13steghideno fix listedDEBIAN-CVE-2021-27211
Debian:14steghideno fix listedDEBIAN-CVE-2021-27211
Ubuntu:22.04:LTSsteghideno fix listedUBUNTU-CVE-2021-27211
Ubuntu:24.04:LTSsteghideno fix listedUBUNTU-CVE-2021-27211
Ubuntu:25.10steghideno fix listedUBUNTU-CVE-2021-27211
Ubuntu:26.04:LTSsteghideno fix listedUBUNTU-CVE-2021-27211
Ubuntu:26.10steghideno fix listedUBUNTU-CVE-2021-27211

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References