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CVE-2025-5264Potential local code execution in “Copy as cURL” command
- 4.8MediumCVSS base score
- 0.30%Exploitation in 30 daysEPSS · top 77% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Timeline
ID reserved
By mozilla
Published
- 11 months later
· 11 months 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 | Medium4.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium4.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.30% · top 77% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Affected products
- unaffected 115.24 – ≤ 115.*
- unaffected 128.11 – ≤ 128.*
- unaffected 139 – ≤ *
- unaffected 128.11 – ≤ 128.*
- unaffected 139 – ≤ *
References
References8
- https://bugzilla.mozilla.org/show_bug.cgi?id=1950001 (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-42/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-43/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-44/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-45/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-46/ (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html (opens in a new tab)
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)
- EUVD EUVD-2025-16338 (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://cveledger.app/cve/CVE-2025-5264)Record last updated .