CVE-2018-14567: canonical ubuntu_linux Loop with Unreachable Exit Condition
Vulnerability summary
CVE-2018-14567 is a medium (CVSS 6.5) Loop with Unreachable Exit Condition vulnerability in canonical ubuntu_linux. EPSS estimates a 4.29% chance of exploitation in the next 30 days, higher than 91.1% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 16-08-2018PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
4.29%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 4.30% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- libxml2< 2.9.10+dfsg-2
- debian_linuxEOL8.0
Alpine1 product
- libxml2< 2.9.8-r1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Ubuntu1 product
- libxml2< 2.9.1+dfsg1-3ubuntu4.13 | < 2.9.3+dfsg1-1ubuntu0.6 | < 2.9.4+dfsg1-6.1ubuntu1.2
Xmlsoft1 product
- libxml22.9.8
5 vendors · 6 products
References
11 links
lists.debian.org/debian-lts-announce/2018/09/msg00035.htmlMailing ListX Refsource MLISTThird Party Advisory- gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912054af025fb6e01e26375100275e74X Refsource CONFIRMPatchThird Party Advisory