How many CVEs have a located fix in facebook/hermes?

18 published CVEs have a fix traced to functions in facebook/hermes, touching 49 functions across 34 files.

Which function in facebook/hermes has been patched by the most CVEs?

interpretFunction in lib/VM/Interpreter.cpp has been changed by 3 CVE fixes, from 2020 to 2022.

How large is a typical CVE fix in facebook/hermes?

The median fix changes 24 lines. 50% of fixes change 20 lines or fewer, and 39% 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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#303 of 500 repositories

facebook/hermes

Name: facebook/hermes: 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 May 18, 2023

18

CVE fixes located

Published CVEs

49

Functions patched

Distinct function sites

34

Files patched

Distinct source files

2020–2023

Years covered

By CVE publication date

Overview

18 published CVEs have a fix traced to functions in facebook/hermes, the earliest published in 2020. Those fixes changed 49 distinct functions across 34 files, in 125 patch hunks.

Among the 500 repositories tracked here, facebook/hermes ranks #303 by the number of CVEs with a located fix.

Most patched functions

Functions in facebook/hermes changed by the most CVE fixes.

Most patched files

Files in facebook/hermes changed by the most CVE fixes.

1lib/VM/Interpreter.cpp4 CVEs · 3 functions
2lib/VM/Operations.cpp3 CVEs · 2 functions
3lib/Optimizer/Scalar/TypeInference.cpp2 CVEs · 5 functions
4lib/VM/JSLib/HermesBuiltin.cpp2 CVEs · 3 functions
5lib/BCGen/HBC/BytecodeGenerator.cpp2 CVEs · 2 functions
6lib/VM/JSObject.cpp2 CVEs · 2 functions
7include/hermes/VM/HermesValue.h2 CVEs · 1 functions
8lib/Support/BigIntSupport.cpp2 CVEs · 1 functions
9lib/VM/JSLib/Array.cpp2 CVEs · 1 functions
10lib/VM/JSLib/TypedArray.cpp2 CVEs · 1 functions

Fix size

How much code a CVE fix in facebook/hermes changes, with backports counted once.

24

Median lines changed

Added plus removed, per CVE

50%

Fixes of 20 lines or fewer

Share of CVE fixes

39%

Fixes in a single function

Share of CVE fixes

Latest CVEs

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

CVE-2023-30470
CVE-2023-30470identifyCallsites
Critical · CVSS 9.8
EPSS 1.2%2023-05-18
CVE-2023-28081
CVE-2023-28081encodeUntrustedNumberValue inferUnaryArith inferBinaryBitwise
Critical · CVSS 9.8
EPSS 0.9%2023-05-18
CVE-2023-25933
CVE-2023-25933encodeUntrustedNumberValue inferUnaryArith inferBinaryBitwise
Critical · CVSS 9.8
EPSS 0.9%2023-05-18
CVE-2023-24833
CVE-2023-24833StandardSortModel toDouble addOp_RJS
High · CVSS 7.5
EPSS 0.6%2023-05-18
CVE-2023-24832
CVE-2023-24832getCodeBlockFileName hermesInternalIsLazy getStringTableEntry
High · CVSS 7.5
EPSS 0.7%2023-05-18
CVE-2023-23557
CVE-2023-23557hermesBuiltinCopyDataProperties copyDataPropertiesSlowPath_RJS
Critical · CVSS 9.8
EPSS 0.9%2023-05-18
CVE-2023-23556
CVE-2023-23556StandardSortModel toDouble addOp_RJS
Critical · CVSS 9.8
EPSS 0.9%2023-05-18
CVE-2022-35289
CVE-2022-35289growAndRehash
Critical · CVSS 9.8
EPSS 1.2%2022-10-11
CVE-2022-32234
CVE-2022-32234grow_pod grow
Critical · CVSS 9.8
EPSS 1.2%2022-10-11
CVE-2022-40138
CVE-2022-40138lazyCompileImpl BytecodeInstructionGenerator generateBytecodeForExecution
Critical · CVSS 9.8
EPSS 1.2%2022-10-11
CVE-2021-24045
CVE-2021-24045evalUnaryOperator
Critical · CVSS 9.8
EPSS 1.3%2021-12-13
Use After Free in Hermes
CVE-2021-24037transientObjectPutErrorMessage StringView
Critical · CVSS 9.8
EPSS 1.8%2021-06-15

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Other repositories

Repositories with a similar number of located CVE fixes.

apache/roller18 CVEs chatwoot/chatwoot18 CVEs containerd/containerd18 CVEs debian/ntfs-3g18 CVEs decidim/decidim18 CVEs dompdf/dompdf18 CVEs frangoteam/FUXA18 CVEs gitpython-developers/GitPython18 CVEs

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Frequently asked questions

Common questions about CVE fixes in facebook/hermes.

How many CVEs have a located fix in facebook/hermes?: 18 published CVEs have a fix traced to functions in facebook/hermes, touching 49 functions across 34 files.
Which function in facebook/hermes has been patched by the most CVEs?: interpretFunction in lib/VM/Interpreter.cpp has been changed by 3 CVE fixes, from 2020 to 2022.
How large is a typical CVE fix in facebook/hermes?: The median fix changes 24 lines. 50% of fixes change 20 lines or fewer, and 39% 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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