SARA / Free Tools / CVE / CVE-2018-12363

CVE-2018-12363 — A use-after-free vulnerability can occur when script uses mutation events to mov

A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vu

CVSS
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EPSS
2.56% (top 14.70%)
CWE
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Published
2018-10-18T13:00:00.000Z
Last modified
2024-08-05T08:30:59.771Z
CVSS vector
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01What is this vulnerability?

A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

02Affected products

VendorProductVersions
MozillaThunderbirdunspecified, unspecified
MozillaFirefox ESRunspecified, unspecified
MozillaFirefoxunspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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