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CVE-2005-2270
Firefox before 1.0.5 and Mozilla before 1.7.9 does not properly clone base objects, which allows remote attackers to execute arbitrary…
- 7.5HighCVSS base score
- 6.0%Exploitation in 30 daysEPSS · top 6.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Firefox before 1.0.5 and Mozilla before 1.7.9 does not properly clone base objects, which allows remote attackers to execute arbitrary code by navigating the prototype chain to reach a privileged object.
Timeline
ID reserved
By redhat
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 6.0% · top 6.7% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
25
- DSA-810 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=294795 (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SR:2005:018 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- oval:org.mitre.oval:def:11751 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.mozilla.org/security/announce/mfsa2005-56.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- P-252 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=295011 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=294799 (opens in a new tab)x_refsource_MISCx_transferred
- FLSA:160202 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- oval:org.mitre.oval:def:550 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 19823 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:817 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- RHSA-2005:587 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 16059 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2005-1075 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- RHSA-2005:601 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1014470 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SA:2005:045 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- VU#652366 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 14242 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2005:586 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 16043 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2006:022 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=296397 (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:100003 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_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)
- EUVD EUVD-2005-2271 (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://cveledger.app/cve/CVE-2005-2270)Record last updated .