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."
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T21:51:09.175Z

Reserved: 2011-01-18T00:00:00

Link: CVE-2011-0491

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2011-01-19T12:00:20.047

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-0491

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.