CVE-2018-20103

mediumPriorität · verfolgen · 32EPSS 0.066 · 94. PerzentilEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
6.59% (94th) EPSS
CVSS 5 · medium
Is it mine?
44 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · bewertet 2026-10-27

An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-debuginfo-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-debuginfo-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-debuginfo-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-debuginfo-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-debuginfo-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-syspaths-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-syspaths-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-syspaths-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-syspaths-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
  • Behobenrh-haproxy18-haproxy-syspaths-0:1.8.17-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:1436
02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6
v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US
v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

04

betroffene Produkte (44)

Betroffene Produkte und Versionsbereiche.

05

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2019:1436Red Hat Security Advisory: rh-haproxy18-haproxy security, bug fix, and enhancement update2019-06-11csaf · redhat_csafUS

    An update for rh-haproxy18-haproxy is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

06

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

veröffentlicht 2018-12-12geändert 2026-06-17
09

Referenzen (25)

Externe Belege — Patches, Meldungen, Analysen.

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