VulnSocial

CVE-2026-37459Disclosure

LOWCVSS 7.5 · HIGH

Signal is active with 3 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

An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-400CWE-191

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-05-04: 3Technical Details · 2026-05-04: 305-04
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • CVE@CVEnew
    General

    CVE-2026-37459 An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message. https://www.cve.org/CVERecord?id=CVE-2026-37459

    Post summary

    The post reports an integer underflow vulnerability in FRRouting that can lead to DoS when a crafted BGP UPDATE message is processed, but it does not provide evidence of active exploitation, a PoC, or remediation.

    00010209
    57.4K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-37459 Integer Underflow Denial of Service in FRRouting Stable 10.0 Through 10.6 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-37459

    Post summary

    The post announces CVE-2026-37459, an integer underflow denial‑of‑service issue in FRRouting 10.0 through 10.6, but provides no PoC, exploit code, active exploitation evidence, or patch information.

    0000033
    4.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-37459 An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message. https://www.cve.org/CVERecord?id=CVE-2026-37459 ----- Traducción: CVE-2026-37459 Una subde… http://infoflow.cloud`

    Post summary

    The text announces CVE-2026-37459, detailing an integer underflow in FRRouting that can lead to DoS via crafted BGP updates.

    0000026
    75 followersView on X

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