How many CVEs have patched LitLzxDecompress?

1 published CVEs changed LitLzxDecompress in sumatrapdfreader/sumatrapdf, in 1 distinct patches totalling 9 changed lines, between 2026 and 2026.

What is the latest CVE that changed LitLzxDecompress?

CVE-2026-107731 (SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service), published 2026-10-08, changed lines 723 to 753 of src/LitDoc.cpp.

How does LitLzxDecompress compare to the rest of sumatrapdfreader/sumatrapdf?

sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total; 1 of them changed LitLzxDecompress.

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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sumatrapdfreader/sumatrapdf

Function

LitLzxDecompress

Name: LitLzxDecompress in sumatrapdfreader/sumatrapdf: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/LitDoc.cpp

Last patched October 8, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

9

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

LitLzxDecompress in sumatrapdfreader/sumatrapdf was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 9 lines in total.

sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

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

SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service
CVE-2026-107731 · lines 723–753 · +7 −2 in 2 hunks
Medium · CVSS 5.5
EPSS 0.1%2026-10-08

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in sumatrapdfreader/sumatrapdf changed by the most CVE fixes.

LitParseHeader2 CVEs · src/LitDoc.cpp ParseHeader2 CVEs · src/MobiDoc.cpp SendAIChatMessage1 CVEs · src/AIChatPanel.cpp BuildCmdLineTemp1 CVEs · src/CodexBuild.cpp QuoteCmdLineArgTemp1 CVEs · src/base/CmdLineArgsIter.cpp BuildClaudeTranslateCmdLineTemp1 CVEs · src/SelectionTranslate.cpp

All patched functions in sumatrapdfreader/sumatrapdf

Frequently asked questions

Common questions about CVE fixes to LitLzxDecompress.

How many CVEs have patched LitLzxDecompress?: 1 published CVEs changed LitLzxDecompress in sumatrapdfreader/sumatrapdf, in 1 distinct patches totalling 9 changed lines, between 2026 and 2026.
What is the latest CVE that changed LitLzxDecompress?: CVE-2026-107731 (SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service), published 2026-10-08, changed lines 723 to 753 of src/LitDoc.cpp.
How does LitLzxDecompress compare to the rest of sumatrapdfreader/sumatrapdf?: sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total; 1 of them changed LitLzxDecompress.
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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