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Affected Component
Analysis
zlib
False Positive
Name
CVE-2026-22184
Description
zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.
Published Date
Updated Date
Workaround
-
Advisories
https://seclists.org/fulldisclosure/2026/Jan/3Mailing List
https://www.vulncheck.com/advisories/zlib-untgz-global-buffer-overflow-in-tgzfnameThird Party Advisory
https://zlib.net/Product
https://github.com/madler/zlib/issues/1142Issue Tracking
Analysis#
Vulnerability Ratings#
4.6
CVSSv4
7.8
CVSSv31
NaN
other