A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing…

Description

A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Scores

EPSS (exploitation in 30 days)

3.4% · top 11% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• Use-after-free in IndexedDB
• CWE-416 (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• Mozilla · Firefox

  • affected unspecified – < 62

• Mozilla · Firefox ESR

  • affected unspecified – < 60.2

• Mozilla · Thunderbird

  • affected unspecified – < 60.2.1

References (17)

• 105280 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• GLSA-201810-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• RHSA-2018:2693 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [debian-lts-announce] 20181112 [SECURITY] [DLA 1575-1] thunderbird security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• GLSA-201811-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• DSA-4327 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2018:3403 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-20/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1041610 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1459383 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:2692 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2018:3458 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-3793-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-21/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-25/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-3761-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• DSA-4287 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2018-12378](https://trackcve.app/badge/CVE-2018-12378.svg)](https://trackcve.app/cve/CVE-2018-12378)

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