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CVE-2018-14567

Publication date 31 July 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
libxml2 18.04 LTS bionic
Fixed 2.9.4+dfsg1-6.1ubuntu1.2
16.04 LTS xenial
Fixed 2.9.3+dfsg1-1ubuntu0.6
14.04 LTS trusty
Fixed 2.9.1+dfsg1-3ubuntu4.13

Notes


leosilva

precise/esm version has not LZMA support


ccdm94

the same patch used to fix this vulnerability can also be used to fix CVE-2018-9251 (even though they are different CVEs).

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libxml2

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3739-1
    • libxml2 vulnerabilities
    • 14 August 2018

Other references