CVE-2019-6454
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming
02 Description
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.03% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.9% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-03-17 16:38Z7 YR AGO
- Last updated
- 2024-08-04 20:23Z2 YR AGO
- Reserved
- 2019-01-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c8428cbd986ac5b4bdf44c0eedc101418cf241756202e284177d759d763b5e98
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2019-8434288a24https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/
- www.openwall.com[oss-security] 20190218 CVE-2019-6454: systemd (PID1) crash with specially crafted D-Bus messagehttp://www.openwall.com/lists/oss-security/2019/02/18/3
- www.securityfocus.com107081http://www.securityfocus.com/bid/107081
- usn.ubuntu.comUSN-3891-1https://usn.ubuntu.com/3891-1/
- access.redhat.comRHSA-2019:0368https://access.redhat.com/errata/RHSA-2019:0368
- github.comhttps://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.c
- lists.opensuse.orgSUSE-SA:2019:0255-1http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.html
- www.openwall.com[oss-security] 20190219 CVE-2019-6454: systemd (PID1) crash with specially crafted D-Bus messagehttp://www.openwall.com/lists/oss-security/2019/02/19/1
- lists.debian.org[SECURITY] [DLA 1684-1] 20190219 systemd security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00031.html
- www.debian.orgDSA-4393-1https://www.debian.org/security/2019/dsa-4393
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20190327-0004/
- kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10278
- access.redhat.comRHSA-2019:0990https://access.redhat.com/errata/RHSA-2019:0990
- lists.opensuse.orgopenSUSE-SU-2019:1450http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00062.html
- access.redhat.comRHSA-2019:1322https://access.redhat.com/errata/RHSA-2019:1322
- access.redhat.comRHSA-2019:1502https://access.redhat.com/errata/RHSA-2019:1502
- access.redhat.comRHSA-2019:2805https://access.redhat.com/errata/RHSA-2019:2805
- www.openwall.com[oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)http://www.openwall.com/lists/oss-security/2021/07/20/2
07 Fixed in
Arch Linux
- systemd Fixed in 241.7-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- systemd Fixed in 240-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- systemd Fixed in 240-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- systemd Fixed in 240-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- systemd Fixed in 229-4ubuntu21.16
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- systemd Fixed in 237-3ubuntu10.13
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.