ALPINE-CVE-2026-6554

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Source
https://security.alpinelinux.org/vuln/CVE-2026-6554
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6554.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-6554
Upstream
Published
2026-09-05T19:16:56.067Z
Modified
2026-09-06T16:30:02.207761874Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a signed integer to implement looping via backward jumps, but it does not limit the number of loop iterations. In particular uncommon use cases a crafted filter program can cause the interpreter to loop infinitely.

References

Affected packages

Alpine:v3.21 / libpcap

Package

Name
libpcap
Purl
pkg:apk/alpine/libpcap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.10.7-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6554.json"

Alpine:v3.22 / libpcap

Package

Name
libpcap
Purl
pkg:apk/alpine/libpcap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.10.7-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6554.json"

Alpine:v3.23 / libpcap

Package

Name
libpcap
Purl
pkg:apk/alpine/libpcap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.10.7-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6554.json"

Alpine:v3.24 / libpcap

Package

Name
libpcap
Purl
pkg:apk/alpine/libpcap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.10.7-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6554.json"