How many CVEs have patched LitParseHeader?

2 published CVEs changed LitParseHeader in sumatrapdfreader/sumatrapdf, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.

What is the latest CVE that changed LitParseHeader?

CVE-2026-107731 (SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service), published 2026-10-08, changed lines 498 to 532 of src/LitDoc.cpp.

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

sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total; 2 of them changed LitParseHeader.

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

LitParseHeader

Name: LitParseHeader 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

2

CVEs

That changed this function

2

Distinct patches

Backports counted once

18

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

LitParseHeader in sumatrapdfreader/sumatrapdf was changed by 2 published CVE fixes in 2026, in 2 distinct patches that added or removed 18 lines in total.

sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total, so 13% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed LitParseHeader, 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 498–532 · +8 −3 in 3 hunks
Medium · CVSS 5.5
EPSS 0.1%2026-10-08
SumatraPDF: Signed integer overflow in the LIT header parsing causes invalid-pointer read
CVE-2026-107730 · lines 483–488 · +6 −1
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.

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 BuildGrokTranslateCmdLineTemp1 CVEs · src/SelectionTranslate.cpp

All patched functions in sumatrapdfreader/sumatrapdf

Frequently asked questions

Common questions about CVE fixes to LitParseHeader.

How many CVEs have patched LitParseHeader?: 2 published CVEs changed LitParseHeader in sumatrapdfreader/sumatrapdf, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.
What is the latest CVE that changed LitParseHeader?: CVE-2026-107731 (SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service), published 2026-10-08, changed lines 498 to 532 of src/LitDoc.cpp.
How does LitParseHeader compare to the rest of sumatrapdfreader/sumatrapdf?: sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total; 2 of them changed LitParseHeader.
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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