DEBIAN-CVE-2011-0491

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2011-0491
Downstream
DSA-2148-1
Published: 19 Jan 2011, 12:00
Last modified:28 Apr 2026, 20:06

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jan 2011, 12:00
Published
Vulnerability first disclosed
28 Apr 2026, 20:06
Last Modified
Vulnerability information updated

Description

The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors."

Affected Systems

  • debian•tor

    < 0.2.1.29-1 | < 0.2.1.29-1 | < 0.2.1.29-1 | < 0.2.1.29-1

References (1)