Resource exhaustion in Joinmastodon Mastodon
CVE-2023-36461
Mastodon is a free, open-source social network server based on ActivityPub. When performing outgoing HTTP queries, Mastodon sets a timeout on individual read operations. Prior to versions 3.5.9, 4.0.5, and 4.1.3, a malicious server can ind…
EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Joinmastodon Mastodon
- Mastodon — versions < 3.5.9, >= 4.0.0, < 4.0.5, >= 4.1.0, < 4.1.3
Weakness classification (CWE)
Public proof-of-concept exploits
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 (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Mailing List)
Frequently asked questions
- What is CVE-2023-36461?
- CVE-2023-36461 is a high-severity vulnerability in Joinmastodon Mastodon, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-07-06.
- How severe is CVE-2023-36461?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-36461 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.