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.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 12-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last 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 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 · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem 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
2.37%
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 score2.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- uriparser< 0.9.0-1
- debian_linuxEOL8.0
Ubuntu1 product
- uriparser< 0.7.5-1ubuntu2+esm1 | < 0.8.4-1+deb9u2build0.18.04.1
Uriparser_project1 product
- uriparser< 0.9.0
3 vendors · 4 products
References
9 links- github.com/uriparser/uriparser/commit/864f5d4c127def386dd5cc926ad96934b297f04eX Refsource MISCPatchREPORT
- lists.debian.org/debian-lts-announce/2018/11/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory