Medium severity6.5NVD Advisory· Published Sep 14, 2026· Updated Sep 14, 2026
CVE-2026-5132
CVE-2026-5132
Description
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit size of unpacked SDP messages compressed with zlib, which allows attacker to deny service or crash server via sending many SDP messages that unpack to large size.. Mattermost Advisory ID: MMSA-2026-00643
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.9.0, <=11.8.4, <=11.7.7, <=10.11.22
Patches
Vulnerability mechanics
References
1News mentions
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