CVE-2018-25023: servo smallvec Use of Uninitialized Resource
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2018-25023DEBIAN-CVE-2018-25023GHSA-55m5-whcv-c49cGHSA-66p5-j55p-32r9RUSTSEC-2018-0018
Published 26-12-2021Last modified 18-11-2024
Vulnerability summary
CVE-2018-25023 is a high (CVSS 7.5) Use of Uninitialized Resource vulnerability in servo smallvec. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.42%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 26-12-2021PublishedVulnerability first disclosed.
- 18-11-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including a reference type.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · Crates.ioEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.42%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
+0.03 pp
From 1.39% on 20-09-2026
20-09-202620-10-2026
EPSS score1.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (rustsec.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Crates.Io1 product
- smallvec< 0.6.13 | ≥ 0.0.0-0, < 0.6.13
Debian1 product
- rust-smallvec< 1.1.0-1
Servo1 product
- smallvec< 0.6.13
Ubuntu1 product
- rust-smallvecAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- rustsec.org/advisories/RUSTSEC-2018-0018.htmlExploitIssue TrackingThird Party AdvisoryREPORTWEBAdvisory
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/smallvec/RUSTSEC-2018-0018.mdThird Party AdvisoryREPORTWEB
Show all 11 references
- crates.io/crates/smallvecPACKAGE