CVE-2025-11931 - Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt

CVE-2025-11931 - Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt

https://cvefeed.io/rssfeed/latest.atom / Sat, 11/22/2025 - 01:49
CVE ID : CVE-2025-11931
Published : Nov. 21, 2025, 11:15 p.m. | 59 minutes ago
Description : Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wc_XChaCha20Poly1305_Decrypt() which is not used with TLS connections, only from direct calls from an application.
Severity: 2.1 | LOW
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.