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."
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
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Configuration 1 [-]
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No data.
No data available yet.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
 EUVD |
EUVD-2011-0511 | 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." |
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T21:51:09.175Z
Reserved: 2011-01-18T00:00:00.000Z
Link: CVE-2011-0491
Vulnrichment
No data.
NVD
Status : Modified
Published: 2011-01-19T12:00:20.047
Modified: 2026-04-29T01:13:23.040
Link: CVE-2011-0491
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses