Resource exhaustion in Cyrusimap Cyrus Imap
CVE-2024-34055
Cyrus IMAP before 3.8.3 and 3.10.x before 3.10.0-rc1 allows authenticated attackers to cause unbounded memory allocation by sending many LITERALs in a single command.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (56.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Cyrusimap Cyrus Imap — versions 3.10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/cyrusimap/cyrus-imapd/commit/ef9e4e8314d6a06f2269af0ccf606894cc3fe489 (Patch, Release Notes)
- www.cyrusimap.org/imap/download/release-notes/3.8/x/3.8.3.html (Release Notes)
- www.cyrusimap.org/dev/imap/download/release-notes/3.10/x/3.10.0-rc1.html (Release Notes)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2024-34055?
- CVE-2024-34055 is a medium-severity vulnerability in Cyrusimap Cyrus Imap, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2024-06-05.
- How severe is CVE-2024-34055?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-34055 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.