CVE-2026-120830 - Libslirp: libslirp: out-of-bounds heap read in icmp_forward_error() leading to information disclosure

CVE-2026-120830 - Libslirp: libslirp: out-of-bounds heap read in icmp_forward_error() leading to information disclosure

https://cvefeed.io/rssfeed/latest.atom / Tue, 11/03/2026 - 04:28
CVE ID :CVE-2026-120830
Published : Nov. 3, 2026, 12:17 a.m. | 3 hours, 8 minutes ago
Description :A flaw was found in libslirp in icmp_forward_error(). When building an ICMP error response, the length of the quoted original IPv4 packet was taken from the IP header without clamping it to the actual buffer length. A truncated or malformed packet could cause an out-of-bounds heap read, leaking host memory into the ICMP error packet returned to a guest or container.
Severity: 7.4 | HIGH
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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.