How many CVEs have patched compressBound_z?

1 published CVEs changed compressBound_z in perl/perl5, in 1 distinct patches totalling 18 changed lines, between 2026 and 2026.

What is the latest CVE that changed compressBound_z?

CVE-2026-4176 (Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib), published 2026-03-29, changed lines 91 to 98 of cpan/Compress-Raw-Zlib/zlib-src/compress.c.

How does compressBound_z compare to the rest of perl/perl5?

perl/perl5 has 15 CVEs with a located fix in total; 1 of them changed compressBound_z.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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perl/perl5

Function

compressBound_z

Name: compressBound_z in perl/perl5: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

cpan/Compress-Raw-Zlib/zlib-src/compress.c

Last patched March 29, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

18

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

compressBound_z in perl/perl5 was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 18 lines in total.

perl/perl5 has 15 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed compressBound_z, newest first, with the lines each fix touched.

Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib
CVE-2026-4176 · lines 91–98 · +14 −4 in 2 hunks
Critical · CVSS 9.8
EPSS 0.8%2026-03-29

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1compress2cpan/Compress-Raw-Zlib/zlib-src/compress.c1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in perl/perl5 changed by the most CVE fixes.

structure1 CVEs · cpan/Socket/Socket.pm string1 CVEs · cpan/Socket/Socket.pm address1 CVEs · cpan/Socket/Socket.pm braid1 CVEs · cpan/Compress-Raw-Zlib/zlib-src/crc32.c get_crc_table1 CVEs · cpan/Compress-Raw-Zlib/zlib-src/crc32.c make_crc_table1 CVEs · cpan/Compress-Raw-Zlib/zlib-src/crc32.c

All patched functions in perl/perl5

Frequently asked questions

Common questions about CVE fixes to compressBound_z.

How many CVEs have patched compressBound_z?: 1 published CVEs changed compressBound_z in perl/perl5, in 1 distinct patches totalling 18 changed lines, between 2026 and 2026.
What is the latest CVE that changed compressBound_z?: CVE-2026-4176 (Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib), published 2026-03-29, changed lines 91 to 98 of cpan/Compress-Raw-Zlib/zlib-src/compress.c.
How does compressBound_z compare to the rest of perl/perl5?: perl/perl5 has 15 CVEs with a located fix in total; 1 of them changed compressBound_z.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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