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Public Date:
512912: CVE-2009-2404 nss regexp heap overflow

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert_TestHostName function.

Find out more about CVE-2009-2404 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux EUS (v. 5.2 server) (nspr) RHSA-2009:1207 2009-08-12
Red Hat Enterprise Linux 3 (seamonkey) RHSA-2009:1185 2009-07-30
Red Hat Enterprise Linux Extended Update Support 4.7 RHSA-2009:1190 2009-07-31
Red Hat Enterprise Linux 5 RHSA-2009:1186 2009-07-30
Red Hat Enterprise Linux 4 RHSA-2009:1184 2009-07-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 nspr 4.7.4-1.el5_3.1 Fixed
Red Hat Enterprise Linux version 5 nss Fixed
Red Hat Enterprise Linux version 4 nspr 4.7.4-1.el4_8.1 Fixed
Red Hat Enterprise Linux version 4 nss Fixed

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