CVE-2018-20004: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2018-20004DEBIAN-CVE-2018-20004
Published 10-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-20004 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 10-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.02%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.02% on 20-09-2026
20-09-202620-10-2026
EPSS score2.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundMxml
Maturity: poc
Security
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- mxml< 2.12-2
- debian_linuxEOL8.0
Fedoraproject1 product
- fedoraEOL28 | 29
Mini-xml_project1 product
- mini-xml2.12
Ubuntu1 product
- mxmlAll versions (No fix recorded)
4 vendors · 5 products
References
8 links
lists.debian.org/debian-lts-announce/2019/01/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory