cve.bz

CVE-2026-27171

5.5 mediumEPSS 0.2%

Medium (5.5) in zlib zlib. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWE
CWE-1284
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON