ALPINE-CVE-2026-5466

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Source
https://security.alpinelinux.org/vuln/CVE-2026-5466
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-5466.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-5466
Upstream
Published
2026-04-10T04:17:16Z
Modified
2026-11-03T06:33:05Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

wolfSSL's ECCSI signature verifier wc_VerifyEccsiHash decodes the r and s scalars from the signature blob via mp_read_unsigned_bin with no check that they lie in [1, q-1]. A crafted forged signature could verify against any message for any identity, using only publicly-known constants.

References

Affected packages

Alpine:v3.23 / wolfssl

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-5466.json"

Alpine:v3.24 / wolfssl

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-5466.json"