VulnSocial

CVE-2026-58045Disclosure

LOWCVSS 6.2 · 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 flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-400

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 · 2026-08-04: 1Technical Details · 2026-08-04: 108-04
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-58045 Denial of Service via TypedArray byteLength Spoofing in Node.js Synchronous Zlib APIs https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-58045

    Post summary

    The post discloses a DoS vulnerability in Node.js's synchronous Zlib APIs (CVE-2026-58045) but provides no PoC, exploit code, or patch guidance.

    00000225
    4.1K followersView on X

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