How many CVEs have a located fix in debian/nss?

16 published CVEs have a fix traced to functions in debian/nss, touching 12 functions across 29 files.

Which function in debian/nss has been patched by the most CVEs?

must in nss/lib/ssl/ssl3ext.c has been changed by 1 CVE fixes, from 2026 to 2026.

How large is a typical CVE fix in debian/nss?

The median fix changes 27 lines. 44% of fixes change 20 lines or fewer, and 56% 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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#350 of 500 repositories

debian/nss

Name: debian/nss: 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 July 21, 2026

16

CVE fixes located

Published CVEs

12

Functions patched

Distinct function sites

29

Files patched

Distinct source files

2014–2026

Years covered

By CVE publication date

Overview

16 published CVEs have a fix traced to functions in debian/nss, the earliest published in 2014. Those fixes changed 12 distinct functions across 29 files, in 107 patch hunks.

Among the 500 repositories tracked here, debian/nss ranks #350 by the number of CVEs with a located fix.

Most patched functions

Functions in debian/nss changed by the most CVE fixes.

2026

4expandsnss/lib/freebl/drbg.c1 CVEs · 1 patches2018

5rng_initnss/lib/freebl/drbg.c1 CVEs · 1 patches2018

6ssl3_isLikelyV3Hellonss/lib/ssl/ssl3gthr.c1 CVEs · 1 patches2017

7definite_length_decodernss/lib/util/quickder.c1 CVEs · 1 patches2014

Most patched files

Files in debian/nss changed by the most CVE fixes.

1nss/lib/freebl/drbg.c1 CVEs · 3 functions
2nss/lib/mozpkix/lib/pkixnames.cpp1 CVEs · 2 functions
3nss/external_tests/util_gtest/util_b64_unittest.cc1 CVEs · 1 functions
4nss/lib/pkcs12/p12t.h1 CVEs · 1 functions
5nss/lib/ssl/ssl3ext.c1 CVEs · 1 functions
6nss/lib/ssl/ssl3ext.h1 CVEs · 1 functions
7nss/lib/ssl/ssl3gthr.c1 CVEs · 1 functions
8nss/lib/ssl/sslimpl.h1 CVEs · 1 functions
9nss/lib/util/quickder.c1 CVEs · 1 functions
10nss/gtests/certdb_gtest/decode_certs_unittest.cc1 CVEs · 0 functions

Fix size

How much code a CVE fix in debian/nss changes, with backports counted once.

27

Median lines changed

Added plus removed, per CVE

44%

Fixes of 20 lines or fewer

Share of CVE fixes

56%

Fixes in a single function

Share of CVE fixes

Latest CVEs

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

Incorrect boundary conditions, integer overflow in the Libraries component in NSS
CVE-2026-16389
Critical · CVSS 9.8
EPSS 0.6%2026-07-21
Incorrect boundary conditions in the Libraries component in NSS
CVE-2026-12318
High · CVSS 7.3
EPSS 0.3%2026-06-16
Incorrect boundary conditions in the Libraries component in NSS
CVE-2026-6772must ssl3_RecordExtensionNegotiated
High · CVSS 7.5
EPSS 0.5%2026-04-21
Other issue in the Libraries component in NSS
CVE-2026-6767class IsValidDNSID
Medium · CVSS 5.3
EPSS 0.4%2026-04-21
Incorrect boundary conditions in the Libraries component in NSS
CVE-2026-6766
High · CVSS 7.5
EPSS 0.4%2026-04-21
Integer overflow in the Libraries component in NSS
CVE-2026-2781
Critical · CVSS 9.8
EPSS 0.6%2026-02-24
Memory corruption in NSS
CVE-2024-6609
High · CVSS 8.8
EPSS 0.6%2024-07-09
Memory corruption in NSS
CVE-2024-6602
Critical · CVSS 9.8
EPSS 1.0%2024-07-09
CVE-2024-0743
CVE-2024-0743
High · CVSS 7.5
EPSS 1.3%2024-01-23
CVE-2023-0767
CVE-2023-0767sec_PKCS12SafeBagStr
High · CVSS 8.8
EPSS 0.8%2023-06-02
CVE-2022-22747
CVE-2022-22747
Medium · CVSS 6.5
EPSS 0.6%2022-12-22
CVE-2021-43527
CVE-2021-43527
Critical · CVSS 9.8
EPSS 17.6%2021-12-08

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Other repositories

Repositories with a similar number of located CVE fixes.

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Frequently asked questions

Common questions about CVE fixes in debian/nss.

How many CVEs have a located fix in debian/nss?: 16 published CVEs have a fix traced to functions in debian/nss, touching 12 functions across 29 files.
Which function in debian/nss has been patched by the most CVEs?: must in nss/lib/ssl/ssl3ext.c has been changed by 1 CVE fixes, from 2026 to 2026.
How large is a typical CVE fix in debian/nss?: The median fix changes 27 lines. 44% of fixes change 20 lines or fewer, and 56% 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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