9.8

CVE-2019-15551: servo smallvec Double Free

CVSS: 9.8v3.0CriticalModified
AliasesDEBIAN-CVE-2019-15551GHSA-mm7v-vpv8-xfc3RUSTSEC-2019-0009
Published 26-08-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15551 is a critical (CVSS 9.8) Double Free vulnerability in servo smallvec. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 78.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a double free for certain grow attempts with the current capacity.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.86%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.86% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Crates.Io1 product
  • smallvec≥ 0.6.5, < 0.6.10
Debian1 product
  • rust-smallvec< 0.6.10-1
Servo1 product

3 vendors · 3 products

References

9 links