Which function in android.googlesource.com/platform-external-libhevc has been patched by the most CVEs?

ihevcd_parse_slice_header in decoder/ihevcd_parse_slice_header.c has been changed by 3 CVE fixes, from 2017 to 2018.

How large is a typical CVE fix in android.googlesource.com/platform-external-libhevc?

The median fix changes 14 lines. 64% of fixes change 20 lines or fewer, and 71% 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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#412 of 500 repositories

android.googlesource.com/platform-external-libhevc

Name: android.googlesource.com/platform-external-libhevc: 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 October 2, 2018

14

CVE fixes located

Published CVEs

14

Functions patched

Distinct function sites

9

Files patched

Distinct source files

2017–2018

Years covered

By CVE publication date

Overview

14 published CVEs have a fix traced to functions in android.googlesource.com/platform-external-libhevc, the earliest published in 2017. Those fixes changed 14 distinct functions across 9 files, in 34 patch hunks.

Among the 500 repositories tracked here, android.googlesource.com/platform-external-libhevc ranks #412 by the number of CVEs with a located fix.

Most patched functions

Functions in android.googlesource.com/platform-external-libhevc changed by the most CVE fixes.

Most patched files

Files in android.googlesource.com/platform-external-libhevc changed by the most CVE fixes.

1decoder/ihevcd_parse_headers.c5 CVEs · 3 functions
2decoder/ihevcd_parse_slice.c3 CVEs · 3 functions
3decoder/ihevcd_parse_slice_header.c3 CVEs · 1 functions
4decoder/ihevcd_cabac.c2 CVEs · 2 functions
5decoder/ihevcd_decode.c2 CVEs · 1 functions
6decoder/ihevcd_api.c1 CVEs · 1 functions
7decoder/ihevcd_ref_list.c1 CVEs · 1 functions
8decoder/ihevcd_structs.h1 CVEs · 1 functions
9decoder/ihevcd_utils.c1 CVEs · 1 functions

Fix size

How much code a CVE fix in android.googlesource.com/platform-external-libhevc changes, with backports counted once.

14

Median lines changed

Added plus removed, per CVE

64%

Fixes of 20 lines or fewer

Share of CVE fixes

71%

Fixes in a single function

Share of CVE fixes

Latest CVEs

The most recently published CVEs with a fix located in android.googlesource.com/platform-external-libhevc, and the functions each fix changed.

CVE-2018-9473
CVE-2018-9473ihevcd_parse_sei_payload
High · CVSS 7.8
EPSS 1.5%2018-10-02
CVE-2017-13190
CVE-2017-13190ihevcd_create
High · CVSS 7.5
EPSS 0.5%2018-01-12
CVE-2017-13185
CVE-2017-13185ihevcd_set_ctb_skip ihevcd_parse_slice_data
Critical · CVSS 9.1
EPSS 0.5%2018-01-12
CVE-2017-13187
CVE-2017-13187ihevcd_parse_slice_header
Critical · CVSS 9.1
EPSS 0.5%2018-01-12
CVE-2017-0811
CVE-2017-0811ihevcd_parse_pps
High · CVSS 7.8
EPSS 1.6%2017-10-03
CVE-2017-0819
CVE-2017-0819ihevcd_decode
High · CVSS 7.5
EPSS 1.0%2017-10-03
CVE-2017-0642
CVE-2017-0642ihevcd_parse_slice_header ihevcd_ref_list _codec_t
Medium · CVSS 5.5
EPSS 0.8%2017-06-14
CVE-2017-0637
CVE-2017-0637ihevcd_parse_pps
High · CVSS 7.8
EPSS 1.7%2017-06-14
CVE-2017-0589
CVE-2017-0589ihevcd_parse_slice_data ihevcd_cabac_init
High · CVSS 7.8
EPSS 1.5%2017-05-12
CVE-2017-0599
CVE-2017-0599ihevcd_parse_slice_header
Medium · CVSS 5.5
EPSS 0.7%2017-05-12
CVE-2017-0590
CVE-2017-0590ihevcd_parse_sps
High · CVSS 7.8
EPSS 1.5%2017-05-12
CVE-2017-0539
CVE-2017-0539ihevcd_parse_sps
High · CVSS 7.8
EPSS 1.6%2017-04-07

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Frequently asked questions

Common questions about CVE fixes in android.googlesource.com/platform-external-libhevc.

How many CVEs have a located fix in android.googlesource.com/platform-external-libhevc?: 14 published CVEs have a fix traced to functions in android.googlesource.com/platform-external-libhevc, touching 14 functions across 9 files.
Which function in android.googlesource.com/platform-external-libhevc has been patched by the most CVEs?: ihevcd_parse_slice_header in decoder/ihevcd_parse_slice_header.c has been changed by 3 CVE fixes, from 2017 to 2018.
How large is a typical CVE fix in android.googlesource.com/platform-external-libhevc?: The median fix changes 14 lines. 64% of fixes change 20 lines or fewer, and 71% 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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