CVE-2018-9251

CWE-835CWE-400 — Uncontrolled Resource Consumption12 documents7 sources
Severity
5.3MEDIUM
EPSS
0.8%
top 26.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian Debian LinuxXmlsoft Libxml2
Timeline
PublishedApr 4
Latest updateMay 13

Description

The xz_decomp function in xzlib.c in 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.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.6 | Impact: 3.6

Affected Packages2 packages

▶Alpinelibxml2< 2.9.8-r1+18
▶NVDxmlsoft/libxml22.9.8

Also affects: Debian Linux 8.0

🔴Vulnerability Details

3
GHSA
GHSA-qvh5-3xv2-rf6p: The xz_decomp function in xzlib↗2022-05-13
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OSV
CVE-2018-9251: The xz_decomp function in xzlib↗2018-04-04
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CVEList
CVE-2018-9251: The xz_decomp function in xzlib↗2018-04-04
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📋Vendor Advisories

3
Red Hat
libxml2: infinite loop in xz_decomp function in xzlib.c↗2018-04-03
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Red Hat
libxml2: Infinite loop caused by incorrect error detection during LZMA decompression↗2018-04-03
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Debian
CVE-2018-9251: libxml2 - The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allo...↗2018
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💬Community

5
Bugzilla
CVE-2018-14567 libxml2: Infinite loop caused by incorrect error detection during LZMA decompression↗2018-08-22
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Bugzilla
CVE-2018-9251 libxml2: infinite loop in xz_decomp function in xzlib.c↗2018-04-09
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Bugzilla
CVE-2018-9251 libxml2: infinite loop in xz_decomp function in xzlib.c [fedora-all]↗2018-04-09
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Bugzilla
CVE-2018-9251 mingw-libxml2: libxml2: infinite loop in xz_decomp function in xzlib.c [fedora-all]↗2018-04-09
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Bugzilla
CVE-2018-9251 mingw-libxml2: libxml2: infinite loop in xz_decomp function in xzlib.c [epel-7]↗2018-04-09
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CVE-2018-9251 (MEDIUM CVSS 5.3) | The xz_decomp function in xzlib.c i | cvebase.io