Bug 2529089 (CVE-2026-31911) - CVE-2026-31911 libpcap: libpcap: Denial of Service via crafted BPF opcode
Summary: CVE-2026-31911 libpcap: libpcap: Denial of Service via crafted BPF opcode
Keywords:
Status: NEW
Alias: CVE-2026-31911
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2530618
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-05 19:01 UTC by OSIDB Bzimport
Modified: 2026-09-09 09:59 UTC (History)
21 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-09-05 19:01:22 UTC 
libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode.  In particular uncommon use cases a crafted filter program can terminate the OS process.
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