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CVE-2018-16865 (GCVE-0-2018-16865)

Vulnerability from cvelistv5 – Published: 2019-01-11 21:00 – Updated: 2025-06-09 15:51
VLAI
Summary
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-09 15:51 UTC
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2019:0342 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106525 vdb-entryx_refsource_BID
https://www.debian.org/security/2019/dsa-4367 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2019:0204 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019011… x_refsource_CONFIRM
https://www.qualys.com/2019/01/09/system-down/sys… x_refsource_MISC
https://usn.ubuntu.com/3855-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:0049 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0271 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0361 vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201903-07 vendor-advisoryx_refsource_GENTOO
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://access.redhat.com/errata/RHBA-2019:0327 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2019/05/10/4 mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/May/25 mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/152841/Syste… x_refsource_MISC
http://seclists.org/fulldisclosure/2019/May/21 mailing-listx_refsource_FULLDISC
https://access.redhat.com/errata/RHSA-2019:2402 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2021/07/20/2 mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
The systemd Project systemd Affected: through v240
guessed Create a notification for this product.
Date Public
2019-01-09 00:00
Show details on NVD website
To clipboard 

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      "published": "2019-01-11T21:29:00.257",
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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
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    },
    "microsoft_vex": {
      "current_release_date": "2020-08-18T00:00:00.000Z",
      "cve": "CVE-2018-16865",
      "id": "msrc_CVE-2018-16865",
      "initial_release_date": "2019-01-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "An allocation of memory without limits that could result in the stack clashing with another memory region was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker or a remote one if systemd-journal-remote is used may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.",
      "url": "https://msrc.microsoft.com/csaf/vex/2019/msrc_cve-2018-16865.json",
      "version": "1"
    },
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    "redhat_vex": {
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      "current_release_date": "2026-06-28T05:49:00+00:00",
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      "product_status:known_not_affected": "9",
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      "product_status:recommended": "1313",
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.