VulnSocial

CVE-2025-8556Disclosure

LOWCVSS 3.7 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-1287

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-02-20: 1Technical Details · 2026-02-20: 102-20
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • reverseame@reverseame
    Disclosure

    CVE-2025-8556 - Cryptographic Issues in Cloudflare’s CIRCL FourQ Implementation #CVE20258556 #CloudflareCIRCL #FourQ #InvalidPointAttack #EllipticCurveCrypto https://www.botanica.software/blog/cryptographic-issues-in-cloudflares-circl-fourq-implementation

    Post summary

    The post announces a cryptographic vulnerability (CVE‑2025‑8556) in Cloudflare’s CIRCL FourQ implementation, noting an invalid point attack on elliptic curve cryptography, but does not provide exploit code, patches, or evidence of active exploitation.

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    21.6K followersView on X

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