CVE-2026-6985
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cesanta Mongoose TCP Option net_builtin.c handle_opt infinite loop
A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handle_opt of the file /src/net_builtin.c of the component TCP Option Handler. This manipulation of the argument optlen causes infinite loop. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.21 is able to resolve this issue. Upgrading the affected component is advised. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mongoose
- Vendor
- Cesanta
- Product
- Mongoose
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.17 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.20 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.21 | unaffected | Unavailable | Unavailable | Unavailable | None listed |