procps: denial of service in ps via mmap buffer overflow
Published May 23, 2018
7.5
HIGHCVSS 3.0
EPSS 8.90%
Description
procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).
Affected products
- Vendor n/a Product Procps-Ng, Procps Defaultn/a
- Version procps-ng 3.3.15StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Procps-Ng, Procps | n/a |
|
Configuration 1
- < 3.3.15
Configuration 2
- 12.04
- 14.04
- 16.04
- 17.10
- 18.04
Configuration 3
- 7.0
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
procps
Will not fix
Red Hat Enterprise Linux 6
procps
Will not fix
Red Hat Enterprise Linux 7
procps-ng
Will not fix
Red Hat Enterprise Linux 8
procps-ng
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | procps | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | procps | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | procps-ng | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | procps-ng | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Dec 17, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.90% (0.08902) | 95.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.08% (0.09081) | 94.62th | v5 (v2026.06.15) |
| Dec 21, 2025 | 3.62% (0.03619) | 87.42th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.71% (0.01708) | 80.82th | v4 (v2025.03.14) |
| Aug 1, 2025 | 2.75% (0.02752) | 85.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.10% (0.04100) | 87.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00570) | 78.60th | v3 (v2023.03.01) |
| Mar 6, 2024 | 0.57% (0.00570) | 77.34th | v3 (v2023.03.01) |
| Oct 14, 2023 | 0.57% (0.00570) | 75.32th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.92% (0.00924) | 80.79th | v3 (v2023.03.01) |
| May 17, 2023 | 1.55% (0.01549) | 85.22th | v3 (v2023.03.01) |
| May 8, 2023 | 1.13% (0.01130) | 82.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00673) | 76.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 23.44% (0.23437) | 96.70th | v2 (v2022.01.01) |
| Mar 27, 2022 | 23.44% (0.23437) | 94.84th | v2 (v2022.01.01) |
| Mar 26, 2022 | 2.69% (0.02686) | 63.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.44% (0.23437) | 94.77th | v2 (v2022.01.01) |
| Feb 3, 2022 | 15.10% (0.15096) | 89.99th | v1 |
| Jan 6, 2022 | 15.10% (0.15096) | 89.88th | v1 |
| Sep 1, 2021 | 15.10% (0.15096) | 97.22th | v1 |
| Jun 30, 2021 | 15.10% (0.15096) | 0.00th | v1 |
| Jun 29, 2021 | 14.23% (0.14227) | 0.00th | v1 |
| Apr 14, 2021 | 13.34% (0.13340) | 0.00th | v1 |
References (18)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00058.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00059.html vendor-advisoryx_refsource_SUSE
- http://seclists.org/oss-sec/2018/q2/122 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/104214 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-1123 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1575474 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1123
- https://security.gentoo.org/glsa/201805-14 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3658-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3658-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1123
- https://www.debian.org/security/2018/dsa-4208 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.exploit-db.com/exploits/44806/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt x_refsource_MISCExploitThird Party Advisory
Change history (0)
No recorded changes yet.