How many CVEs have a located fix in GNOME/libxml2?

22 published CVEs have a fix traced to functions in GNOME/libxml2, touching 46 functions across 17 files.

Which function in GNOME/libxml2 has been patched by the most CVEs?

xmlRegNewParserCtxt in xmlregexp.c has been changed by 2 CVE fixes, from 2026 to 2026.

How large is a typical CVE fix in GNOME/libxml2?

The median fix changes 18 lines. 59% of fixes change 20 lines or fewer, and 55% change a single function.

How is a fix located to a function?

The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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#234 of 500 repositories

GNOME/libxml2

Name: GNOME/libxml2: functions patched by CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Functions and files changed by CVE fixes in this repository.

Latest located fix September 17, 2026

22

CVE fixes located

Published CVEs

46

Functions patched

Distinct function sites

17

Files patched

Distinct source files

2017–2026

Years covered

By CVE publication date

Overview

22 published CVEs have a fix traced to functions in GNOME/libxml2, the earliest published in 2017. Those fixes changed 46 distinct functions across 17 files, in 216 patch hunks.

Among the 500 repositories tracked here, GNOME/libxml2 ranks #234 by the number of CVEs with a located fix.

Most patched functions

Functions in GNOME/libxml2 changed by the most CVE fixes.

Most patched files

Files in GNOME/libxml2 changed by the most CVE fixes.

1parser.c5 CVEs · 16 functions
2valid.c2 CVEs · 4 functions
3xinclude.c2 CVEs · 4 functions
4xmllint.c2 CVEs · 2 functions
5xmlregexp.c2 CVEs · 2 functions
6runtest.c2 CVEs · 0 functions
7tree.c1 CVEs · 5 functions
8buf.c1 CVEs · 4 functions
9testcatalog.c1 CVEs · 2 functions
10xmlIO.c1 CVEs · 2 functions

Fix size

How much code a CVE fix in GNOME/libxml2 changes, with backports counted once.

18

Median lines changed

Added plus removed, per CVE

59%

Fixes of 20 lines or fewer

Share of CVE fixes

55%

Fixes in a single function

Share of CVE fixes

Latest CVEs

The most recently published CVEs with a fix located in GNOME/libxml2, and the functions each fix changed.

Libxml2: libxml2: null pointer dereference parsing nextcatalog without catalog attribute
CVE-2026-76781testNextCatalogMissingAttr main
Medium · CVSS 5.5
EPSS 0.2%2026-09-17
CVE-2026-86144
CVE-2026-86144xmlXIncludeLoadTxt xmlXIncludeProcess xmlXIncludeProcessTree
High · CVSS 7.8
EPSS 0.2%2026-09-05
CVE-2026-86143
CVE-2026-86143xmlOutputBufferFlush xmlOutputBufferWrite
High · CVSS 7.3
EPSS 0.2%2026-09-05
CVE-2026-86142
CVE-2026-86142xmlXPtrEvalXPtrPart
High · CVSS 7.8
EPSS 0.2%2026-09-05
CVE-2026-86141
CVE-2026-86141xmlRegNewParserCtxt
Low · CVSS 3.3
EPSS 0.2%2026-09-05
CVE-2026-86140
CVE-2026-86140xmlSnprintfElements
High · CVSS 8.0
EPSS 0.2%2026-09-05
CVE-2026-86139
CVE-2026-86139xmlURIEscapeStr
High · CVSS 7.8
EPSS 0.2%2026-09-05
CVE-2026-86138
CVE-2026-86138
High · CVSS 7.8
EPSS 0.1%2026-09-05
CVE-2026-86137
CVE-2026-86137_xmlAutomata xmlRegNewParserCtxt
Medium · CVSS 6.1
EPSS 0.2%2026-09-05
Stack-Based Buffer Overflow in libxml2
CVE-2026-11979usershell
Low · CVSS 1.8
EPSS 0.1%2026-06-29
Stack overflow in libxml2
CVE-2025-9714xmlXPathCtxtCompile xmlXPathEvalExpr
Medium · CVSS 6.2
EPSS 0.2%2025-09-10
CVE-2022-49043
CVE-2022-49043xmlXIncludeAddNode
High · CVSS 8.1
EPSS 0.3%2025-01-26

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Frequently asked questions

Common questions about CVE fixes in GNOME/libxml2.

How many CVEs have a located fix in GNOME/libxml2?: 22 published CVEs have a fix traced to functions in GNOME/libxml2, touching 46 functions across 17 files.
Which function in GNOME/libxml2 has been patched by the most CVEs?: xmlRegNewParserCtxt in xmlregexp.c has been changed by 2 CVE fixes, from 2026 to 2026.
How large is a typical CVE fix in GNOME/libxml2?: The median fix changes 18 lines. 59% of fixes change 20 lines or fewer, and 55% change a single function.
How is a fix located to a function?: The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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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