« List of all CVEs

CVE-2026-27171

Published: 2/18/2026 Last updated: 2/18/2026 Reserved: 2/18/2026

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.

CNA assigner: mitre (8254265b-2729-46b6-b9e3-3dfca2d5bfca) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 2.9 Low CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Opam packages affected (13)

bap-std camlzip conf-gd conf-libclang conf-libdw conf-llvm conf-llvm-shared conf-llvm-static conf-mingw-w64-zlib-i686 conf-mingw-w64-zlib-x86_64 conf-taglib conf-zlib kafka

Products affected (1)

Product Vendor Version
zlib zlib 16.7.1

References (12)