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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2022-37434

zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).

CVSS 9.8 · CriticalBuzz score 68.04 public exploit repository references

Buzz score

Why this CVE is surfacing

Buzz score total 68.0

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 30.0 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 18.0
Mention score
30.0
33 evidence mentions in the snapshot
Diversity score
20.0
10 sources across 4 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
18.0
4 repos · best confidence 0.90
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
1
within the 30d window
Peak daily
1
highest bucket

Evidence

Source links by recency

Newest mentions first
33 source links · newest first

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

4 repository references · best confidence 0.90 · max 0 stars
  • nodejs/nodeHigh confidence
    githubNVD Exploit reference0 starsDiscovered Jul 14, 2026, 3:11 PM

    NVD labels the source link as Exploit; this is not independent verification of the repository's code.

  • madler/zlibHigh confidence
    githubNVD Exploit reference0 starsDiscovered Jul 14, 2026, 3:11 PM

    NVD labels the source link as Exploit; this is not independent verification of the repository's code.

  • ivd38/zlib_overflowHigh confidence
    githubNVD Exploit reference0 starsDiscovered Jul 14, 2026, 3:11 PM

    NVD labels the source link as Exploit; this is not independent verification of the repository's code.

  • curl/curlHigh confidence
    githubNVD Exploit reference0 starsDiscovered Jul 14, 2026, 3:11 PM

    NVD labels the source link as Exploit; this is not independent verification of the repository's code.

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