No exploitation reportedFix available

CVE-2010-1208

Q: Is CVE-2010-1208 actively exploited?

Active exploitation of CVE-2010-1208 has not been confirmed. Its EPSS score was 5.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2010-1208?

CVE-2010-1208 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2010-07-30
Fixed in3.6.7 · 3.5.11
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Use-after-free vulnerability in the attribute-cloning functionality in the DOM implementation in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6, allows remote attackers to execute arbitrary code via vectors related to deletion of an event attribute node with a nonzero reference count.

Timeline

dates in UTC

2010-07-3020:30CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2010-1208?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2010-1208?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Mozilla firefox

Branch	Affected	Fixed in	Source
3.6	≥ 3.6, < 3.6.7	3.6.7	NVD
3.5	≥ 3.5, < 3.5.11	3.5.11	NVD

Mozilla seamonkey

Branch	Affected	Fixed in	Source
2.0	< 2.0.6	2.0.6	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Mozilla firefox to 3.6.7 · 3.5.11

Advisories and patches

www.mozilla.orgVendor Advisory
bugzilla.mozilla.orgPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score5.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2010-07-30
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2010-1208?

Is CVE-2010-1208 actively exploited?

Active exploitation of CVE-2010-1208 has not been confirmed. Its EPSS score was 5.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2010-1208?

CVE-2010-1208 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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