CVE-2022-46874
A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its…
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code.<br/>*Note*: This issue was originally included in the advisories for Thunderbird 102.6, but a patch (specific to Thunderbird) was omitted, resulting in it actually being fixed in Thunderbird 102.6.1. This vulnerability affects Firefox < 108, Thunderbird < 102.6.1, Thunderbird < 102.6, and Firefox ESR < 102.6.
Timeline
ID reserved
By mozilla
- 13 days later
· 13 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.97% · top 38% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Drag and Dropped Filenames could have been truncated to malicious extensions
- CWE-94 Improper Control of Generation of Code ('Code Injection') (opens in a new tab)All about CWE-94 and its CVEs
Affected products
- affected unspecified – < 108
- affected unspecified – < 102.6.1
- affected unspecified – < 102.6
- affected unspecified – < 102.6
References (7)
- https://www.mozilla.org/security/advisories/mfsa2022-52/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2022-53/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2022-51/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2022-54/ (opens in a new tab)x_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1746139 (opens in a new tab)x_transferred
- GLSA-202305-06 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202305-13 (opens in a new tab)vendor-advisoryx_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
[](https://trackcve.app/cve/CVE-2022-46874)Record last updated .