How many CVEs have patched SetHuffData?

1 published CVEs changed SetHuffData in sumatrapdfreader/sumatrapdf, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.

What is the latest CVE that changed SetHuffData?

CVE-2026-25920 (SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor), published 2026-02-09, changed lines 331 of src/MobiDoc.cpp.

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

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

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

SetHuffData

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

src/MobiDoc.cpp

Last patched February 9, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

2

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

SetHuffData in sumatrapdfreader/sumatrapdf was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 2 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 SetHuffData, newest first, with the lines each fix touched.

SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor
CVE-2026-25920 · line 331 · +1 −1
Medium · CVSS 5.5
EPSS 0.3%2026-02-09

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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 SetHuffData.

How many CVEs have patched SetHuffData?: 1 published CVEs changed SetHuffData in sumatrapdfreader/sumatrapdf, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.
What is the latest CVE that changed SetHuffData?: CVE-2026-25920 (SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor), published 2026-02-09, changed lines 331 of src/MobiDoc.cpp.
How does SetHuffData compare to the rest of sumatrapdfreader/sumatrapdf?: sumatrapdfreader/sumatrapdf has 16 CVEs with a located fix in total; 1 of them changed SetHuffData.
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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