Vulnerability · Published Apr 30, 2026 · Assigned by ASR
CVE-2026-42800Deference after null check in ims_client sip
High 7.4
In plain English
A high-severity null pointer dereference in Lapwing_Linux from ASR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.2%top 85.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation. This vulnerability is associated with program files sip/utils/src/sipuri.c.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ASR | Lapwing_Linux | see references |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L