How many CVEs have patched _add_user?

2 published CVEs changed _add_user in matrix-org/synapse, in 2 distinct patches totalling 16 changed lines, between 2021 and 2021.

What is the latest CVE that changed _add_user?

CVE-2021-21393 (Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints), published 2021-04-12, changed lines 703 to 713 of synapse/groups/groups_server.py.

How does _add_user compare to the rest of matrix-org/synapse?

matrix-org/synapse has 29 CVEs with a located fix in total; 2 of them changed _add_user.

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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matrix-org/synapse

Function

_add_user

Name: _add_user in matrix-org/synapse: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

synapse/groups/groups_server.py

Last patched April 12, 2021

2

CVEs

That changed this function

2

Distinct patches

Backports counted once

16

Lines changed

Added plus removed

2021

Years

By CVE publication date

Overview

_add_user in matrix-org/synapse was changed by 2 published CVE fixes in 2021, in 2 distinct patches that added or removed 16 lines in total.

matrix-org/synapse has 29 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _add_user, newest first, with the lines each fix touched.

Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints
CVE-2021-21393 · lines 703–713 · +6 −2
Medium · CVSS 6.0
EPSS 1.6%2021-04-12
Denial of service (via resource exhaustion) due to improper input validation on third-party identifier endpoints
CVE-2021-21394 · lines 703–713 · +6 −2
Medium · CVSS 6.0
EPSS 1.5%2021-04-12

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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 matrix-org/synapse changed by the most CVE fixes.

read_templates3 CVEs · synapse/config/_base.py read_config3 CVEs · synapse/config/consent_config.py read_config3 CVEs · synapse/config/registration.py read_config3 CVEs · synapse/config/captcha.py get_rooms_in_group3 CVEs · synapse/groups/groups_server.py get_file2 CVEs · synapse/http/client.py

All patched functions in matrix-org/synapse

Frequently asked questions

Common questions about CVE fixes to _add_user.

How many CVEs have patched _add_user?: 2 published CVEs changed _add_user in matrix-org/synapse, in 2 distinct patches totalling 16 changed lines, between 2021 and 2021.
What is the latest CVE that changed _add_user?: CVE-2021-21393 (Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints), published 2021-04-12, changed lines 703 to 713 of synapse/groups/groups_server.py.
How does _add_user compare to the rest of matrix-org/synapse?: matrix-org/synapse has 29 CVEs with a located fix in total; 2 of them changed _add_user.
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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