VulnSocial

CVE-2026-42387Disclosure

LOWCVSS 5.9 · MEDIUM

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 malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-20

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 · 2026-06-26: 1Technical Details · 2026-06-26: 106-26
Signal classification1 categories
Disclosure
1100.0%
Full discourse1 post
  • Yasuhiro Morishita@OrangeMorishita
    Disclosure

    CVE-2026-42387：ZoneToCacheの入力検証が不十分で、不正なRRSIGレコードが含まれていると、サーバーがクラッシュする。ZoneToCacheを使っている場合のみ。深刻度Medium。

    Post summary

    The text announces a Medium‑severity crash vulnerability in ZoneToCache triggered by malicious RRSIG records, but provides no PoC, exploit tool, patch, or evidence of active exploitation.

    10011358
    4.5K followersView on X

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