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CVE-2010-0220
The nsObserverList::FillObserverArray function in xpcom/ds/nsObserverList.cpp in Mozilla Firefox before 3.5.7 allows remote attackers to…
Medium5.0EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The nsObserverList::FillObserverArray function in xpcom/ds/nsObserverList.cpp in Mozilla Firefox before 3.5.7 allows remote attackers to cause a denial of service (application crash) via a crafted web site that triggers memory consumption and an accompanying Low Memory alert dialog, and also triggers attempted removal of an observer from an empty observers array.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- http://isc.sans.org/diary.html?storyid=7897 (opens in a new tab)x_refsource_MISCx_transferred
- MDVSA-2010:000 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- firefox-nsobserverlist-dos(55550) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://hg.mozilla.org/mozilla-central/rev/51396f6c9f20 (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:8292 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.mozilla.com/en-US/firefox/3.5.7/releasenotes/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=507114 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2010-0220)Record last updated .