INDI (Instrument Neutral Distributed Interface) indiserver through 2.2.4.2, fixed in commit 96bbd7f, contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to crash the daemon by sending malformed XML with mismatched tags whose names exceed 1024 bytes. Attackers can send a single TCP packet on port 7624 with mismatched XML tags to trigger an unbounded sprintf() write into a fixed 1024-byte stack buffer in MsgQueue.cpp, terminating the daemon and disrupting all active client and driver sessions.
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Fixes

Solution

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Workaround

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History

Mon, 17 Aug 2026 17:45:00 +0000

Type Values Removed Values Added
Description INDI (Instrument Neutral Distributed Interface) indiserver through 2.2.4.2, fixed in commit 96bbd7f, contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to crash the daemon by sending malformed XML with mismatched tags whose names exceed 1024 bytes. Attackers can send a single TCP packet on port 7624 with mismatched XML tags to trigger an unbounded sprintf() write into a fixed 1024-byte stack buffer in MsgQueue.cpp, terminating the daemon and disrupting all active client and driver sessions.
Title INDI indiserver 2.2.4.2 Stack Buffer Overflow via XML Tag Parsing
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-17T17:40:38.095Z

Reserved: 2026-08-08T16:43:04.178Z

Link: CVE-2026-71979

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-17T18:18:12.370

Modified: 2026-08-17T18:18:12.370

Link: CVE-2026-71979

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-17T18:30:04Z

Weaknesses