exiv2: reachable assertion abort in the function Exiv2::DataBuf::DataBuf at include/exiv2/types.hpp
Published Mar 30, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.82%
Description
In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
exiv2
Not affected
Red Hat Enterprise Linux 7
exiv2
Not affected
Red Hat Enterprise Linux 8
exiv2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | exiv2 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | exiv2 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | exiv2 | 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:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.82% (0.01825) | 78.02th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.82% (0.01825) | 77.84th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.35% (0.00351) | 72.13th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00351) | 71.06th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.35% (0.00351) | 68.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00424) | 70.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (7)
- https://access.redhat.com/security/cve/CVE-2018-9145 Vendor Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1087879 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1564281 x_refsource_MISCIssue TrackingThird Party Advisory
- https://github.com/xiaoqx/pocs/tree/master/exiv2 x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-9145
- https://security.gentoo.org/glsa/201811-14 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-9145
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-9145 | Vendor Advisory | |
| https://bugzilla.novell.com/show_bug.cgi?id=1087879 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1564281 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://github.com/xiaoqx/pocs/tree/master/exiv2 | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-9145 | ||
| https://security.gentoo.org/glsa/201811-14 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-9145 |
Change history (0)
No recorded changes yet.