CVE detail
CVE-2026-27171
zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.
Buzz score
Why this CVE is surfacing
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 19.5 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 4.5
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
6 source links · newest first
Information published.
vendormsrc.microsoft.comApr 15, 2026, 8:40 AMNo excerpt available.
Mitigationostif.orgFeb 18, 2026, 4:16 AMNo excerpt available.
Exploitgithub.comFeb 18, 2026, 4:16 AMNo excerpt available.
Exploitgithub.comFeb 18, 2026, 4:16 AMNo excerpt available.
Third Party Advisory7asecurity.comFeb 18, 2026, 4:16 AMNo excerpt available.
Third Party Advisory7asecurity.comFeb 18, 2026, 4:16 AM
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.
1 repository references · best confidence 0.90 · max 0 stars
- madler/zlibHigh confidencegithubNVD Exploit reference0 starsDiscovered Jul 10, 2026, 10:22 PM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.
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