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CVE-2024-5688VulnerabilityPublished Updated

Red Hat Security Advisory: thunderbird security update

Affects Red Hat thunderbirdSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · fixed in Red Hat package updates : patch Red Hat thunderbird soon.

Data as of 3 Nov 2026, 23:49 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

Patch
Available – fixed in 115.12.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Jun 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

AI-suggested

A security update to Thunderbird version 115.12.1 is available from Red Hat for affected Red Hat Enterprise Linux 9.2 Extended Update Support and related variants. Users should apply this update promptly and restart all running instances of Thunderbird for the fixes to take effect. No additional mitigation steps are indicated by the vendor advisory.

Description

Multiple security vulnerabilities have been identified and fixed in Mozilla Thunderbird, addressed in the update to version 115.12.1. These include use-after-free bugs in networking and JavaScript object transplant, a timing attack leaking external protocol handlers, sandbox bypass via iframes, cross-origin image leaks, and memory corruption issues. The update is rated as important by Red Hat and applies to Red Hat Enterprise Linux 9.2 Extended Update Support and related variants. Users must apply the update and restart Thunderbird to mitigate these issues.

References

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