A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old…

Description

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.

Scores

EPSS (exploitation in 30 days)

3.1% · top 12% of all CVEs (7 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• Use-after-free when appending DOM nodes
• CWE-416 (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• Mozilla · Thunderbird

  • affected unspecified – < 60
  • affected unspecified – < 52.9

• Mozilla · Firefox ESR

  • affected unspecified – < 60.1
  • affected unspecified – < 52.9

• Mozilla · Firefox

  • affected unspecified – < 61

References (20)

• GLSA-201810-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-15/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:2112 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• GLSA-201811-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• DSA-4235 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-18/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:2113 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-16/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4244 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 104560 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 1041193 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-19/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:2252 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-17/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-lts-announce] 20180714 [SECURITY] [DLA 1425-1] thunderbird security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• RHSA-2018:2251 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-3705-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1464784 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-3714-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [debian-lts-announce] 20180629 [SECURITY] [DLA 1406-1] firefox-esr security update (opens in a new tab)mailing-listx_refsource_MLISTx_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

[![CVE-2018-12363](https://trackcve.app/badge/CVE-2018-12363.svg)](https://trackcve.app/cve/CVE-2018-12363)

Record last updated 5 Aug 2024, 08:30 UTC.