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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | QuickJS | eb2c89087def1829ed99630cb14b549d7a98408c | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | quickjs | No fix yet | — |
| Debian 13 | quickjs | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | quickjs | No fix yet | — |
| Ubuntu 26.04 LTS | quickjs | No fix yet | — |
| Ubuntu 25.10 | quickjs | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | quickjs | No fix yet | — |
References
- VDB-331268 | QuickJS quickjs.c js_array_buffer_slice buffer over-read vdb-entry technical-description
- VDB-331268 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #678850 | Fabrice Bellard QuickJS Latest commit eb2c890 (and earlier versions) Memory Corruption third-party-advisory
- https://github.com/bellard/quickjs/issues/451 issue-tracking
- https://github.com/bellard/quickjs/issues/451#issuecomment-3481807558 issue-tracking
- https://github.com/bellard/quickjs/issues/451#issue-3533698042 exploit issue-tracking
- https://github.com/bellard/quickjs/commit/c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea patch