Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-77993.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-77993
Upstream
Published
2026-02-18T04:16:01Z
Modified
2026-04-01T05:15:39Z
Summary
CVE-2026-27171 affecting package fltk 1.3.5-4
Details

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.

References

Affected packages

Azure Linux:2 / fltk

Package

Name
fltk
Purl
pkg:rpm/azure-linux/fltk

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Last Affected
1.3.5-4

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-77993.json"