Use After Free in Mozilla Firefox
CVE-2009-1837
Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.043 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Mozilla Firefox
- Debian Linux — versions 5.0
- Fedoraproject Fedora — versions 9, 10
- Red Hat Enterprise Linux — versions 4.0, 5.0
- Red Hat Enterprise Linux Desktop — versions 4.0, 5.0
- Red Hat Enterprise Linux Eus — versions 4.8, 5.3
- Red Hat Enterprise Linux Server — versions 4.0, 5.0
- Red Hat Enterprise Linux Server Aus — versions 5.3
- Red Hat Enterprise Linux Workstation — versions 4.0, 5.0
Weakness classification (CWE)
References
- www.vupen.com/english/advisories/2009/1572 (vdb-entry, Broken Link, Vendor Advisory)
- www.mozilla.org/security/announce/2009/mfsa2009-28.html (Vendor Advisory)
- secunia.com/advisories/34241 (Broken Link, Vendor Advisory, third-party-advisory)
- secunia.com/secunia_research/2009-19/ (Broken Link, Vendor Advisory)
- www.securityfocus.com/archive/1/504260/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory, Broken Link)
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking)
- www.securityfocus.com/bid/35360 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.securityfocus.com/bid/35326 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.redhat.com/archives/fedora-package-announce/2009-June/msg00657.html (vendor-advisory, Mailing List)
- secunia.com/advisories/35431 (Broken Link, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-1837?
- CVE-2009-1837 is a high-severity vulnerability in Mozilla Firefox, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2009-06-12.
- How severe is CVE-2009-1837?
- High severity. CVSS v3 base score is 7.5 out of 10.