Description
A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | mxml | 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4 | — |
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 | mxml | 4.0.4-4 | — |
| Debian 13 | mxml | 3.3.1-1+deb13u1 | — |
| Debian 12 | mxml | 3.3.1-1+deb13u1~deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mxml | No fix yet | — |
| Ubuntu 26.04 LTS | mxml | No fix yet | — |
| Ubuntu 25.10 | mxml | No fix yet | — |
| Ubuntu 24.04 LTS | mxml | No fix yet | — |
| Ubuntu 22.04 LTS | mxml | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mxml | No fix yet | — |
| Ubuntu 18.04 LTS | mxml | No fix yet | — |
| Ubuntu 16.04 LTS | mxml | No fix yet | — |
References
- VDB-353963 | mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow vdb-entry technical-description
- VDB-353963 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #778638 | michaelrsweet mxml 4.0.4 Heap-based Buffer Overflow third-party-advisory
- https://github.com/michaelrsweet/mxml/issues/350 issue-tracking
- https://github.com/michaelrsweet/mxml/issues/350#issuecomment-4051317229 issue-tracking
- https://github.com/user-attachments/files/25934383/1.xml exploit
- https://github.com/michaelrsweet/mxml/commit/6e27354466092a1ac65601e01ce6708710bb9fa5 patch