CVE-2025-8556

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.

References

Affected packages

Debian:11 / golang-github-cloudflare-circl

Package

Name: golang-github-cloudflare-circl
Purl: pkg:deb/debian/golang-github-cloudflare-circl?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.0+20200724-1

1.0.0+20200724-2

1.2.0-1

1.3.0-1

1.3.1-1

1.3.1-2

1.3.2-1

1.3.3-1

1.3.5-1

1.3.6-1

1.3.7-1

1.3.8-1

1.3.9-1

1.4.0-1

1.5.0-1

1.6.0-1

1.6.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / golang-github-cloudflare-circl

Package

Name: golang-github-cloudflare-circl
Purl: pkg:deb/debian/golang-github-cloudflare-circl?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.1-2

1.3.2-1

1.3.3-1

1.3.5-1

1.3.6-1

1.3.7-1

1.3.8-1

1.3.9-1

1.4.0-1

1.5.0-1

1.6.0-1

1.6.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / golang-github-cloudflare-circl

Package

Name: golang-github-cloudflare-circl
Purl: pkg:deb/debian/golang-github-cloudflare-circl?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.6.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}