How many CVEs have patched and_exists?

2 published CVEs changed and_exists in matrix-org/synapse, in 2 distinct patches totalling 30 changed lines, between 2021 and 2021.

What is the latest CVE that changed and_exists?

CVE-2021-21393 (Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints), published 2021-04-12, changed lines 62 to 76 of synapse/groups/groups_server.py.

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

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

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

and_exists

Name: and_exists 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

30

Lines changed

Added plus removed

2021

Years

By CVE publication date

Overview

and_exists in matrix-org/synapse was changed by 2 published CVE fixes in 2021, in 2 distinct patches that added or removed 30 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 and_exists, 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 62–76 · +10 −5
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 62–76 · +10 −5
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 and_exists.

How many CVEs have patched and_exists?: 2 published CVEs changed and_exists in matrix-org/synapse, in 2 distinct patches totalling 30 changed lines, between 2021 and 2021.
What is the latest CVE that changed and_exists?: CVE-2021-21393 (Denial of service (via resource exhaustion) due to improper input validation on groups/communities endpoints), published 2021-04-12, changed lines 62 to 76 of synapse/groups/groups_server.py.
How does and_exists compare to the rest of matrix-org/synapse?: matrix-org/synapse has 29 CVEs with a located fix in total; 2 of them changed and_exists.
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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