Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityLow
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka red hat
zlib
oss-projectaka Жан-Лу Гайи, Марк Адлер, pigz, марка спенсер, шон иган и др.
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «Ред Софт»
commercial·RUaka red soft
and 1 more affected products View all →
Exploitability
Official Patch Available
References
https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/
7asecurity.com
https://7asecurity.com/reports/pentest-report-zlib-RC1.1.pdf
7asecurity.com
https://github.com/madler/zlib/issues/904
github.com
and 10 more references View all →
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