Buffer overflow in Servo Smallvec
CVE-2019-15554
An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is memory corruption for certain grow attempts with less than the current capacity.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rustsec.org/advisories/RUSTSEC-2019-0012.html (Third Party Advisory)
- github.com/servo/rust-smallvec/issues/149 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15554?
- CVE-2019-15554 is a critical-severity vulnerability in Servo Smallvec, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-08-26.
- How severe is CVE-2019-15554?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-15554 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.