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CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 02:05 UTC

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Expand	Severity	Score	Advisory	Title	Source	Flags	Published
	Low	3.5	CVE-2026-115449	A flaw was found in libslirp Red Hat, libslirpRed Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, libslirp	NVD		Oct 22 22:18 UTC
CVE-2026-115449A flaw was found in libslirp Executive summary A flaw in libslirp, the user-mode networking library used by some virtual machine setups, can leak the host's real IP address to a guest system. Red Hat rates it as low severity, with a CVSS v3 base score of 3.5 in its own assessment, and the flaw only occurs under specific conditions. The advisory describes the normal ICMP path as unaffected and recommends ensuring the QEMU user's group is in ping_group_range, or avoiding user-mode networking. Technical summary The issue is a CWE-200 information exposure caused by an ICMP echo reply length that is not updated to match the data received from the host. It occurs only when the SOCK_DGRAM ICMP socket is unavailable and libslirp falls back to a raw socket, such as when ping_group_range is restricted, and the guest pings a nonexistent host on the hypervisor's LAN. The advisory says the attack vector is network with high complexity and low privileges required, and the Red Hat CVSS vector is CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N. The advisory says the leak is limited to 4 bytes of host IP address and not arbitrary heap memory. Mitigations are to include the QEMU process user's GID in net.ipv4.ping_group_range or to use --net none or virtio-net with a TAP backend. Affected and fixed version numbers, and detection guidance, are not stated in the advisory text. Summaries are generated by AI from the linked advisory text. Confirm versions and fixes at the source. Summarized from access.redhat.com/security/cve/CVE-2026-115449 Impact if exploited ConfidentialityLow IntegrityNone AvailabilityNone How it is exploited Attack vector Network Attack complexity High Privileges required Low User interaction None Scope Changed CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N Affects Red Hat libslirp Red Hat Enterprise Linux 10 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 9 Red Hat OpenShift Container Platform 4 libslirp NIST National Vulnerability DatabasePublished Oct 22, 2026 22:18 UTC Read the advisory

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