HIGHCVSS v3.1 7.4Vulnerability
CVE-2026-120830
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-04T01:29:06.847378+00:00
- Epss score
- 0.00221
- Cvss severity
- HIGH
- Cvss score
- 7.4
- Retrieved at
- 2026-11-04T01:32:28+00:00
- Last source
- FIRST EPSS
- Score
- 7.4
- Cvss version
- 3.1
- Cve id
- CVE-2026-120830
- Cvss vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- First seen by Signal
- 2026-11-03T00:56:41+00:00
- Name
- CVE-2026-120830
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Published at
- 2026-11-03T00:17:18.947
- Last modified
- 2026-11-03T01:16:50.680
- Epss percentile
- 0.12784
Related Entities (1)
HAS_WEAKNESS (1)
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