CVE-2018-9251

lowpriority · track · 22EPSS 0.024 · 84 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.36% (84th) EPSS

CVSS 2.6 · low

Is it mine?

36 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.6–5.3

v2.02.6lowAV:N/AC:H/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 4.9 · impact 2.9

v3.05.3mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 3.6

v3.04.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumAV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-400US

affected products (36)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Juniper Networks Inc. JunOS≤ 18.1R3fstec_bduRU
Juniper Networks Inc. JunOS≤ 16.1R7-S1fstec_bduRU
Juniper Networks Inc. JunOS≤ 17.2R2-S6fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2R2fstec_bduRU
Juniper Networks Inc. JunOS≤ 16.1R6-S5fstec_bduRU
Juniper Networks Inc. JunOS≤ 17.3R3-S1fstec_bduRU
Juniper Networks Inc. JunOS≤ 15.1R7-S2fstec_bduRU
Juniper Networks Inc. JunOS≤ 17.1r3fstec_bduRU
Juniper Networks Inc. JunOS≤ 17.2r3fstec_bduRU
Juniper Networks Inc. JunOS12.1X46 → 12.1X46-D81fstec_bduRU
Juniper Networks Inc. JunOS12.3 → 12.3R12-S10fstec_bduRU
Juniper Networks Inc. JunOS12.3X48 → 12.3X48-D75fstec_bduRU
Juniper Networks Inc. JunOS14.1X53 → 14.1X53-D48fstec_bduRU
Juniper Networks Inc. JunOS15.1 → 15.1R4-S9fstec_bduRU
Juniper Networks Inc. JunOS15.1F → 15.1F6-S11fstec_bduRU
Juniper Networks Inc. JunOS15.1X49 → 15.1X49-D150fstec_bduRU
Juniper Networks Inc. JunOS15.1X53 → 15.1X53-D234fstec_bduRU
Juniper Networks Inc. JunOS15.1X53 → 15.1X53-D68fstec_bduRU
Juniper Networks Inc. JunOS15.1X53 → 15.1X53-D495fstec_bduRU

showing 20 of 36

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1614Tenable Security Nessus Network Monitor: Mehrere SchwachstellenDeutsch2023-06-29csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Tenable Security Nessus Network Monitor ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und Daten zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2018-04-04modified 2026-06-17

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+1371 more

references (13)

External citations — patches, advisories, analysis.

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