CVE-2009-2463
Multiple integer overflows in the (1) PL_Base64Decode and (2) PL_Base64Encode functions in nsprpub/lib/libc/src/base64.c in Mozilla Firefox before 3.0.12, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors that trigger buffer overflows.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-189
- EPSS score
- 6.4% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2458)
- Published
- July 22, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2458 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
and 74 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- http://rhn.redhat.com/errata/RHSA-2009-1162.html
- http://rhn.redhat.com/errata/RHSA-2009-1163.html
- http://secunia.com/advisories/35914(Vendor Advisory)
- http://secunia.com/advisories/35943(Vendor Advisory)
- http://secunia.com/advisories/35944(Vendor Advisory)
- http://secunia.com/advisories/35947(Vendor Advisory)
- http://secunia.com/advisories/36005
- http://secunia.com/advisories/36145
- http://secunia.com/advisories/38977
- http://secunia.com/advisories/39001
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-265068-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020800.1-1
- http://www.mozilla.org/security/announce/2009/mfsa2009-34.html(Vendor Advisory)
- http://www.mozilla.org/security/announce/2010/mfsa2010-07.html
- http://www.redhat.com/support/errata/RHSA-2010-0153.html
- http://www.redhat.com/support/errata/RHSA-2010-0154.html
- http://www.securityfocus.com/bid/35758(Patch)
- http://www.ubuntu.com/usn/USN-915-1
- http://www.vupen.com/english/advisories/2009/1972(Patch, Vendor Advisory)
- http://www.vupen.com/english/advisories/2009/2152
- http://www.vupen.com/english/advisories/2010/0648
- http://www.vupen.com/english/advisories/2010/0650
- https://bugzilla.mozilla.org/show_bug.cgi?id=492779(Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10369
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01032.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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