Vulnerability in Matrix Synapse
CVE-2022-31052
Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is…
EPSS: 0.016 (72.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Matrix Synapse
- Matrix-org Synapse — versions < 1.61.1
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-31052?
- CVE-2022-31052 is a medium-severity vulnerability in Matrix Synapse, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2022-06-28.
- How severe is CVE-2022-31052?
- Medium severity. CVSS v3 base score is 6.5 out of 10.