DEBIAN-CVE-2026-6330

Source
https://security-tracker.debian.org/tracker/CVE-2026-6330
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6330.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-6330
Upstream
Published
2026-06-25T22:17:02.887Z
Modified
2026-07-12T04:00:15.417575460Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

The ML-KEM ARM64 NEON ciphertext comparison only compares half of the input, breaking the Fujisaki-Okamoto transform's implicit rejection and weakening IND-CCA2 security on that code path. The constant-time comparison effectively ignored part of the re-encrypted ciphertext, so a decapsulating party could fail to detect a manipulated ciphertext and proceed without the standard's required implicit rejection.

References

Affected packages

Debian:11 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source&distro=bullseye

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.6.0-3
4.6.0+p1-0+deb11u1
4.6.0+p1-0+deb11u2
5.*
5.0.0-1~bpo11+1
5.0.0-1
5.1.1-1~bpo11+1
5.1.1-1
5.2.0-1
5.2.0-2~bpo11+1
5.2.0-2
5.5.3-1
5.5.3-2
5.5.3-3~bpo11+1
5.5.3-3
5.5.4-1
5.5.4-2~bpo11+1
5.5.4-2
5.5.4-2.1
5.6.4-1
5.6.4-2
5.6.6-1
5.6.6-1.1
5.6.6-1.2
5.6.6-1.3~exp1
5.6.6-1.3
5.7.0-0.1
5.7.0-0.2
5.7.0-0.3
5.7.2-0.1
5.7.2-0.2
5.7.2-0.3
5.7.2-0.4
5.8.2-1
5.8.2-1.1
5.8.2-1.2
5.8.4-1
5.9.0-0.1
5.9.0-0.2
5.9.1-0.1
5.9.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6330.json"

Debian:12 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.5.4-2
5.5.4-2+deb12u1
5.5.4-2+deb12u2
5.5.4-2.1
5.6.4-1
5.6.4-2
5.6.6-1
5.6.6-1.1
5.6.6-1.2
5.6.6-1.3~exp1
5.6.6-1.3
5.7.0-0.1
5.7.0-0.2
5.7.0-0.3
5.7.2-0.1
5.7.2-0.2
5.7.2-0.3
5.7.2-0.4
5.8.2-1
5.8.2-1.1
5.8.2-1.2
5.8.4-1
5.9.0-0.1
5.9.0-0.2
5.9.1-0.1
5.9.2-1

Ecosystem specific

{
    "urgency": "end-of-life"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6330.json"

Debian:13 / wolfssl

Package

Name
wolfssl
Purl
pkg:deb/debian/wolfssl?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*
5.7.2-0.1
5.7.2-0.1+deb13u1
5.7.2-0.2
5.7.2-0.3
5.7.2-0.4
5.8.2-1
5.8.2-1.1
5.8.2-1.2
5.8.4-1
5.9.0-0.1
5.9.0-0.2
5.9.1-0.1
5.9.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6330.json"