CVE-2011-0491

MediumCVSS 5.0/10Last modified Jun 16, 2026

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."

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness enumeration

CWE-20

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Jan 19, 2011
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

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CVE-2011-0491: Medium severity, CVSS 5.0 | Vulnix