CVE-2019-15554: servo smallvec Out-of-bounds Write
CVSS: 9.8v3.0CriticalModified
AliasesDEBIAN-CVE-2019-15554GHSA-69gw-hgj3-45m7RUSTSEC-2019-0012
Published 26-08-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-15554 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in servo smallvec. EPSS estimates a 2.14% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-08-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Crates.ioEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.14%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.14% on 20-09-2026
20-09-202620-10-2026
EPSS score2.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Crates.Io1 product
- smallvec≥ 0.6.3, < 0.6.10
Debian1 product
- rust-smallvec< 0.6.10-1
Servo1 product
- smallvec≥ 0.6.3, < 0.6.10
3 vendors · 3 products
References
6 links
- crates.io/crates/smallvecPACKAGE