CVE-2026-120830 (GCVE-0-2026-120830)

Vulnerability from cvelistv5 – Published: 2026-11-03 00:00 – Updated: 2026-11-04 22:06
VLAI
Title
Libslirp: libslirp: out-of-bounds heap read in icmp_forward_error() leading to information disclosure
Summary
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)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1088 records in the last 180 days details
References
Impacted products
Date Public
2026-10-30 00:00
Credits
Red Hat would like to thank Piyusha Akash (Manifold Operations) for reporting this issue.
Show details on NVD website
To clipboard 

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