The decompression algorithm in zlib 1.1.3 and earlier, as used in many different utilities and packages, causes inflateEnd to release certain memory more than once (a "double free"), which may allow local and remote attackers to execute arbitrary code via a block of malformed compression data.

Threat-Mapped Scoring

Score: 1.8

Priority: P4 - Informational (Low)

• S9 – Sabotage of System/App

EPSS

Score: 0.33667
Percentile: 0.9675

CVSS Scoring

Mapped CWE(s)

• CWE-415 : Double Free

Affected Products

• cpe:2.3:a:zlib:zlib:*:*:*:*:*:*:*:*

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