9.8

CVE-2018-19198: debian debian_linux Out-of-bounds Write

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-19198DEBIAN-CVE-2018-19198
Published 12-11-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-19198 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.37% chance of exploitation in the next 30 days, higher than 83.5% 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
2.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5

Timeline

  1. 12-11-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or uriComposeQueryEx* function because the '&' character is mishandled in certain contexts.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.37%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.37%

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

Debian2 products
Ubuntu1 product
  • uriparser< 0.7.5-1ubuntu2+esm1 | < 0.8.4-1+deb9u2build0.18.04.1
Uriparser_project1 product

3 vendors · 4 products

References

9 links