Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-99741.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-99741
Upstream
Published
2026-09-05T19:16:55Z
Modified
2026-09-07T05:28:29Z
Summary
CVE-2026-31912 affecting package libpcap 1.10.6-1
Details

libpcap BPF interpreter detects neither reaching the end of the filter program buffer due to lack of a return instruction nor executing a jump instruction with an offset that translates to a pointer outside of the buffer. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading the OS process memory in the 32GiB around the buffer on 64-bit architectures and in the entire address space on 32-bit architectures.

References

Affected packages

Azure Linux:3 / libpcap

Package

Name
libpcap
Purl
pkg:rpm/azure-linux/libpcap

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
1.10.6-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-99741.json"