synced 12 MIN AGO
01 Record

CVE-2009-2404

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

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.15% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.4% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2009-08-03 14:00Z17 YR AGO
Last updated
2024-08-07 05:52Z2 YR AGO
Reserved
2009-07-09
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
22e9702ed3f8501fc62e6d778c1c39bfce8132b2d7f3ed9697068f8c9d86fcf8

05 Affected products

VendorProductVersionsPlatforms
aolinstant_messengerNot specified—
gnomeevolutionNot specified—
mozillafirefoxNot specified—
mozillanetwork_security_servicesNot specified—
mozillaseamonkeyNot specified—
mozillathunderbirdNot specified—
pidginpidginNot specified—
redhatenterprise_linuxNot specified—
redhatrhel_eusNot specified—

06 References

07 Fixed in

Debian 12

  • nss
    Fixed in 3.12.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • nss
    Fixed in 3.12.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • nss
    Fixed in 3.12.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.