CVE-2012-3517

Published: Aug 26, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-399

NVD MITRE

5.0CVSSMEDIUM

EPSS Score

Description

Use-after-free vulnerability in dns.c in Tor before 0.2.2.38 might allow remote attackers to cause a denial of service (daemon crash) via vectors related to failed DNS requests.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:PAvailability

Partial

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Weaknesses

CWE-399

Affected Products

tor tor

Mixed

Security Products / secure-gateway-vpn

n/a n/a

toross-projectSecurity Productsaka tor project

Exploitability

Official Patch Available

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html

lists.fedoraproject.org

http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html

lists.opensuse.org

http://openwall.com/lists/oss-security/2012/08/21/6

openwall.com

and 5 more references View all →

Timeline

Published

Aug 26, 2012

Last Updated

Apr 29, 2026

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