How many CVEs have patched usershell?

1 published CVEs changed usershell in GNOME/libxml2, in 1 distinct patches totalling 16 changed lines, between 2026 and 2026.

What is the latest CVE that changed usershell?

CVE-2026-11979 (Stack-Based Buffer Overflow in libxml2), published 2026-06-29, changed lines 138 to 182 of xmlcatalog.c.

How does usershell compare to the rest of GNOME/libxml2?

GNOME/libxml2 has 25 CVEs with a located fix in total; 1 of them changed usershell.

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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Usershell

usershell in GNOME/libxml2: Patched by 1 CVEs

GNOME/libxml2

Function

usershell

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

xmlcatalog.c

Last patched June 29, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

usershell in GNOME/libxml2 was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 16 lines in total.

GNOME/libxml2 has 25 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

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

On this page

Overview
CVEs that patched it
Other hotspots in the repository
FAQ
References

Stack-Based Buffer Overflow in libxml2
CVE-2026-11979 · lines 138–182 · +16 −0 in 3 hunks
Low · CVSS 1.8
EPSS 0.1%2026-06-29

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Monitor libxml2 CVEs

Other hotspots in the repository

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

xmlRegNewParserCtxt2 CVEs · xmlregexp.c xmlParseNameComplex2 CVEs · parser.c xmlBufferAdd1 CVEs · tree.c xmlBufCCat1 CVEs · buf.c xmlBufCreateSize1 CVEs · buf.c xmlBufGrowInternal1 CVEs · buf.c

All patched functions in GNOME/libxml2

Frequently asked questions

Common questions about CVE fixes to usershell.

How many CVEs have patched usershell?: 1 published CVEs changed usershell in GNOME/libxml2, in 1 distinct patches totalling 16 changed lines, between 2026 and 2026.
What is the latest CVE that changed usershell?: CVE-2026-11979 (Stack-Based Buffer Overflow in libxml2), published 2026-06-29, changed lines 138 to 182 of xmlcatalog.c.
How does usershell compare to the rest of GNOME/libxml2?: GNOME/libxml2 has 25 CVEs with a located fix in total; 1 of them changed usershell.
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

xmlcatalog.c on GitHub (opens in a new tab)
All patched functions in GNOME/libxml2
Patched functions directory

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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