Resource exhaustion in Exiv2
CVE-2020-18899
An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (75.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Exiv2 — versions 0.27
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Exiv2/exiv2/issues/742 (Exploit, Third Party Advisory, Issue Tracking)
- cwe.mitre.org/data/definitions/789.html (Technical Description)
- security.gentoo.org/glsa/202312-06 (vendor-advisory)
Frequently asked questions
- What is CVE-2020-18899?
- CVE-2020-18899 is a medium-severity vulnerability in Exiv2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-08-19.
- How severe is CVE-2020-18899?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-18899 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.