CVE-2025-12745
Publication date 5 November 2025
Last updated 12 November 2025
Ubuntu priority
Description
A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| quickjs | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.3 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-12745
- https://github.com/bellard/quickjs/commit/c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea
- https://github.com/bellard/quickjs/issues/451
- https://github.com/bellard/quickjs/issues/451#issue-3533698042
- https://github.com/bellard/quickjs/issues/451#issuecomment-3481807558
- https://vuldb.com/?ctiid.331268
- https://vuldb.com/?id.331268
- https://vuldb.com/?submit.678850