exiv2: heap-based buffer over-read in Exiv2::Image::byteSwap4 in image.cpp
Published Feb 12, 2018
8.1
HIGHCVSS 3.0
EPSS 1.80%
Description
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF 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
Red Hat statement
This issue did not affect the versions of Exiv2 as shipped with Red Hat Enterprise Linux 6 and 7.
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:H/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
AV:N/AC:M/Au:N/C:P/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 | 1.80% (0.01800) | 77.69th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.00% (0.01998) | 78.98th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.33% (0.00332) | 71.41th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00332) | 70.33th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.33% (0.00332) | 67.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00273) | 62.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2017-17723 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1524104 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1545249 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-17723
- https://security.gentoo.org/glsa/201811-14 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2017-17723
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-17723 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1524104 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1545249 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-17723 | ||
| https://security.gentoo.org/glsa/201811-14 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2017-17723 |
Change history (0)
No recorded changes yet.