# RHSA-2024:1940: thunderbird security update

RHSA-2024:1940, released April 22, 2024, fixes 8 CVEs in thunderbird (version 0:115.10.0-2.el9_3). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2024-1940
- Platform: Linux
- Released: Apr 22, 2024
- Priority: High (Closes CVE-2024-3864, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2024:1940

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [thunderbird](https://patchblox.com/security/data/product/linux/thunderbird.md) | RHEL 9 | 0:115.10.0-2.el9_3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-3864](https://patchblox.com/security/data/cve/CVE-2024-3864.md) | High | Mozilla Firefox ESR and 5 others: Improper Restriction of Operations within the Bounds of a Memory Buffer | 8.1 | 0.0085 |  |
| [CVE-2024-3854](https://patchblox.com/security/data/cve/CVE-2024-3854.md) | High | Mozilla Firefox ESR and 5 others: Out-of-bounds Read | 8.8 | 0.0073 |  |
| [CVE-2024-3852](https://patchblox.com/security/data/cve/CVE-2024-3852.md) | High | Mozilla Firefox ESR and 5 others: Symbolic Name not Mapping to Correct Object | 7.5 | 0.0063 |  |
| [CVE-2024-3857](https://patchblox.com/security/data/cve/CVE-2024-3857.md) | High | Mozilla Firefox ESR and 5 others: Use After Free | 7.8 | 0.0025 |  |
| [CVE-2024-3302](https://patchblox.com/security/data/cve/CVE-2024-3302.md) | Routine | Mozilla Firefox ESR and 5 others: Allocation of Resources Without Limits or Throttling | 3.7 | 0.0077 |  |
| [CVE-2024-3859](https://patchblox.com/security/data/cve/CVE-2024-3859.md) | Routine | Mozilla Firefox ESR and 5 others: Integer Overflow or Wraparound | 6.1 | 0.0067 |  |
| [CVE-2024-2609](https://patchblox.com/security/data/cve/CVE-2024-2609.md) | Routine | Mozilla Firefox ESR and 5 others: Product UI does not Warn User of Unsafe Actions | 6.1 | 0.0060 |  |
| [CVE-2024-3861](https://patchblox.com/security/data/cve/CVE-2024-3861.md) | Routine | Mozilla Firefox ESR and 5 others: If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference… | 6.1 | 0.0023 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo