firebird3.0: Firebird is an open-source relational database management system
CVE-2026-35215 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-35215, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.
Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdl_desc() function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing a division by zero. An unauthenticated attacker can exploit this by sending a crafted slice packet to crash the server. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firebird3.0 · Debian 14 | 3.0.14.ds7-1 | DEBIAN-CVE-2026-35215 | May 15, 2026 |
| firebird4.0 · Debian 14 | 4.0.7.3271.ds6-1 | DEBIAN-CVE-2026-35215 | May 15, 2026 |
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