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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 6.43% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- secalert@redhat.com
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/35914Vendor Advisory
- http://secunia.com/advisories/35943Vendor Advisory
- http://secunia.com/advisories/35944Vendor Advisory
- http://secunia.com/advisories/35947Vendor 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.htmlVendor 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/35758Patch
- http://www.ubuntu.com/usn/USN-915-1
- http://www.vupen.com/english/advisories/2009/1972Patch, 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=492779Vendor 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
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.