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CVE-2022-39236

21
FAUCET Score

CVE-2022-39236 is a low-severity vulnerability affecting the Matrix Javascript SDK (versions 17.1.0-rc.1 through 19.6.0). Improperly formed beacon events can disrupt or impede the SDK's functionality, potentially leading to data processing issues, exclusion, or corruption of runtime data. The vulnerability has a CVSS score of 5.3 (Medium) with a low impact on availability and no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 17.1.0, < 19.7.0CPE matchmatch criteria
cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:*
17.1.0CPE matchmatch criteria
cpe:2.3:a:matrix:javascript_sdk:17.1.0:rc1:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 38th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: matrix-js-sdkFixed in: 19.7.0
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:102.4.0-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsFixed in: thunderbird-0:102.4.0-1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: thunderbird-0:102.4.0-1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: thunderbird-0:102.4.0-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: thunderbird-0:102.4.0-1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:102.4.0-1.el7_9
View patch

Vendor Advisories (2)

npmGHSA-hvv8-5v86-r45xmedium

Improper beacon events in matrix-js-sdk can result in availability issues

Sep 29, 2022
redhatCVE-2022-39236Moderate

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to a data corruption issue

Sep 28, 2022

References

github.com / matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
PatchThird Party Advisory
github.com / matrix-org/matrix-js-sdk/releases/tag/v19.7.0
Release NotesThird Party Advisory
github.com / matrix-org/matrix-js-sdk/security/advisories/GHSA-hvv8-5v86-r45x
Third Party Advisory
github.com / matrix-org/matrix-spec-proposals/pull/3488
PatchThird Party Advisory
security.gentoo.org / glsa/202210-35
Third Party Advisory