Security update for libpcap

This update for libpcap fixes the following issues: CVE-2026-0799: the BPF interpreter does not validate values in BPF instructions that load/store a value from/to a scratch memory register and allows for OOB access bsc1279782. CVE-2026-6244: libpcap BPF interpreter for the 'div k' and 'mod k' AL...

CVE-2026-18238

A flaw was found in libpcap. The rpcap client code, which processes RPCAPMSGPACKET messages from a server, incorrectly validates its headers. A malicious server could exploit this vulnerability by sending a specially crafted message, causing the client to read up to 20 bytes of memory beyond its...

SUSE CVE-2026-18238

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

AZL-99729 CVE-2026-18238 affecting package libpcap for versions less than 1.10.7-1

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

CVE-2026-18238

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

AZL-99927 CVE-2026-18238 affecting package nmap 7.95-5

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

EUVD-2026-72021

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

CVE-2026-18238

libpcap versions before 1.10.7 are affected by an out-of-bounds read in the rpcap client . The code that processes an RPCAP_MSG_PACKET message from the server incorrectly validates its headers, allowing a malicious server to cause the client to treat up to 20 bytes of client process memory beyond...

CVE-2026-18238 OOBR in rpcap client in libpcap before 1.10.7

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

CVE-2026-18238 OOBR in rpcap client in libpcap before 1.10.7

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

CVE-2026-18238 OOBR in rpcap client in libpcap before 1.10.7

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

PT-2026-86441

Name of the Vulnerable Software and Affected Versions rpcap affected versions not specified Description The rpcap client code incorrectly validates headers when processing a RPCAP MSG PACKET message received from a server. A malicious server can send a crafted message, causing the client to treat...

CVE-2026-18238: Improper Validation of Consistency within Input

The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the...

Linux Distros Unpatched Vulnerability : CVE-2026-18238

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The rpcap client code that processes a RPCAPMSGPACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted...