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CVE-2012-4218

Use-after-free vulnerability in the BuildTextRunsScanner::BreakSink::SetBreaks function in Mozilla Firefox before 17.0, Thunderbird before…

High10.0EPSS 5.6%
Published
Updated
Reserved
Assigned by
mitre

Description

Use-after-free vulnerability in the BuildTextRunsScanner::BreakSink::SetBreaks function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Scores

CVSS scores of CVE-2012-4218, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High10.0AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (exploitation in 30 days)
5.6% · top 7.1% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.

Weakness

Affected products

  • n/a

    • affected n/a

References (19)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .