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EUVD-2026-202580

2026-10-03T14:24:32.114201+00:00

EUVD-2026-202580

fkie_cve-2024-52296

2026-10-03T14:24:32.114236+00:00

libosdp is an implementation of IEC 60839-11-5 OSDP (Open Supervised Device Protocol) and provides a C library with support for C++, Rust and Python3. At ospd_common.c, on the osdp_reply_name function, any reply id between REPLY_ACK and REPLY_XRD is valid, but names array do not declare all of the range. On a case of an undefined reply id within the range, name will be null (name = names[reply_id - REPLY_ACK];). Null name will casue a crash on next line: if (name[0] == '\0') as null[0] is invalid. As this logic is not limited to a secure connection, attacker may trigger this vulnerability without any prior knowledge. This issue is fixed in 2.4.0.

GHSA-7945-5mcv-f2pp — LibOSDP vulnerable to a null pointer deref in osdp_reply_name

2026-10-03T14:24:32.114273+00:00

Affected: PyPI: libosdp

### Issue: At ospd_common.c, on the osdp_reply_name function, any reply id between REPLY_ACK and REPLY_XRD is valid, but names array do not declare all of the range. On a case of an undefined reply id within the range, name will be null (`name = names[reply_id - REPLY_ACK];`). Null name will casue a crash on next line: `if (name[0] == '\0')` as null[0] is invalid.

### Attack: As this logic is not limited to a secure connection, attacker may trigger this vulnerability without any prior knowledge.

### Impact Denial of Service

### Patch The issue has been patched in 24409e98a260176765956ec766a04cb35984fab1

PYSEC-2026-1534 — LibOSDP vulnerable to a null pointer deref in osdp_reply_name

2026-10-03T14:24:32.114306+00:00

Affected: PyPI: libosdp

### Attack: As this logic is not limited to a secure connection, attacker may trigger this vulnerability without any prior knowledge.

### Impact Denial of Service

### Patch The issue has been patched in 24409e98a260176765956ec766a04cb35984fab1