CVE-2018-20593: fedoraproject fedora Out-of-bounds Write
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-20593DEBIAN-CVE-2018-20593
Published 30-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-20593 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in fedoraproject fedora. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 30-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 20-09-2026
20-09-202620-10-2026
EPSS score1.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPocs
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mxml< 3.0-1
Fedoraproject1 product
- fedoraEOL28 | 29
Msweet1 product
- mini-xml2.12
Ubuntu1 product
- mxmlAll versions (No fix recorded)
4 vendors · 4 products
References
10 links- github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2987_1.txt.errX Refsource MISCExploitThird Party AdvisoryREPORT
- github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2971_1.txt.errX Refsource MISCExploitThird Party AdvisoryREPORT
