DEBIAN-CVE-2018-12291

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Source
https://security-tracker.debian.org/tracker/CVE-2018-12291
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-12291.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-12291
Upstream
Published
2018-06-13T14:29:00.273Z
Modified
2025-11-14T04:02:36.486187Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

The ongetmissingevents function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the getmissing_events federation API where event visibility rules were not applied correctly.

References

Affected packages

Debian:14 / matrix-synapse

Package

Name
matrix-synapse
Purl
pkg:deb/debian/matrix-synapse?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.31.1+dfsg-1

Affected versions

0.*

0.19.2+dfsg-3
0.19.2+dfsg-4
0.19.2+dfsg-5
0.19.2+dfsg-6
0.24.0+dfsg-1
0.27.2+dfsg-1
0.28.0+dfsg-1
0.28.0+dfsg-2
0.28.1+dfsg-1
0.29.1+dfsg-1
0.30.0+dfsg-1
0.31.0+dfsg-1
0.31.0+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-12291.json"