CVE-2026-106435 Application denial of service via out-of-bounds read in BSON Regex decoding in MongoDB Python Driver

The MongoDB Python Driver's binary accelerator can read outside a buffer when an application decodes malformed BSON containing a truncated regular-expression element without a trailing NUL byte. An actor who can supply BSON to the documented decode or decodeall API can cause the application proce...

CVE-2026-106435

The MongoDB Python Driver contains an out-of-bounds read vulnerability in its binary accelerator. This occurs when an application decodes malformed BSON containing a truncated regular-expression element missing a trailing NUL byte. An attacker who can supply BSON to the decode or decode_all APIs ...