Low
3.5
A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated...
CVE-2026-115449
First seen on SecPulse
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — |
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-115449 libslirp
Original description The description as published by the source.
A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest in the echo reply, breaking the NAT isolation that user-mode networking is expected to provide.
Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory
References
- web access.redhat.com
- web bugzilla.redhat.com
- web nvd.nist.gov
- web github.com