MEDIUM
netpbm: heap-buffer-overflow in pm_mallocarray2 function in lib/util/mallocvar.c
Published Mar 25, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.66%
Description
The pm_mallocarray2 function in lib/util/mallocvar.c in Netpbm through 10.81.03 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, as demonstrated by pbmmask.
Affected products
No data.
- ≤ 10.81.03
No data.
Red Hat Enterprise Linux 5
netpbm
Not affected
Red Hat Enterprise Linux 6
netpbm
Will not fix
Red Hat Enterprise Linux 7
netpbm
Fix deferred
Red Hat Enterprise Linux 8
netpbm
Fix deferred
Red Hat Enterprise Linux 9
netpbm
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | netpbm | Not affected | n/a |
| Red Hat Enterprise Linux 6 | netpbm | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | netpbm | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | netpbm | Fix deferred | n/a |
| Red Hat Enterprise Linux 9 | netpbm | 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.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
4.4 MEDIUM Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact Low
Availability Impact Low
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.66% 0.01659
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01659
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.66% (0.01659) | 75.78th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.66% (0.01659) | 75.60th | v5 (v2026.06.15) |
| Sep 21, 2026 | 2.95% (0.02954) | 86.52th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.66% (0.01659) | 75.07th | v5 (v2026.06.15) |
| Sep 5, 2026 | 2.95% (0.02954) | 86.22th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.69% (0.01691) | 75.43th | v5 (v2026.06.15) |
| Aug 28, 2026 | 2.97% (0.02973) | 86.23th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.69% (0.01691) | 75.30th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.97% (0.02973) | 86.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.72% (0.01717) | 74.39th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00240) | 45.10th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.59% (0.00592) | 78.14th | v3 (v2023.03.01) |
| Apr 9, 2024 | 0.56% (0.00556) | 77.23th | v3 (v2023.03.01) |
| Mar 4, 2024 | 0.46% (0.00464) | 74.84th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.39% (0.00393) | 72.75th | v3 (v2023.03.01) |
| Feb 1, 2024 | 0.39% (0.00393) | 70.74th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.33% (0.00327) | 67.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00274) | 62.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.62% (0.01623) | 33.90th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.62% (0.01623) | 0.00th | v1 |
Weaknesses (2)
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00056.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2018-8975 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1561206 Issue Tracking
- https://github.com/xiaoqx/pocs/blob/master/netpbm x_refsource_MISCExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVMWVVFEADMA7XIPXFHGSBRYKEGGDFGE/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEZRUJ5LNGULJL7QUAHPV5LBOKIJYP5I/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-8975
- https://www.cve.org/CVERecord?id=CVE-2018-8975
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00056.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/security/cve/CVE-2018-8975 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1561206 | Issue Tracking | |
| https://github.com/xiaoqx/pocs/blob/master/netpbm | x_refsource_MISCExploitThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVMWVVFEADMA7XIPXFHGSBRYKEGGDFGE/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEZRUJ5LNGULJL7QUAHPV5LBOKIJYP5I/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-8975 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-8975 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 25, 2018
Updated Aug 5, 2024
Reserved Mar 24, 2018
Link CVE-2018-8975
CISA Vulnrichment
Updated n/a