ImageMagick: Heap-based buffer over-read in coders/webp.c:IsWEBPImageLossless()
Published Mar 30, 2018
8.8
HIGHCVSS 3.0
EPSS 2.08%
Description
In ImageMagick 7.0.7-24 Q16, there is a heap-based buffer over-read in IsWEBPImageLossless in coders/webp.c.
Affected products
No data.
- 7.0.7-24
No data.
Red Hat Enterprise Linux 5
ImageMagick
Not affected
Red Hat Enterprise Linux 6
ImageMagick
Not affected
Red Hat Enterprise Linux 7
ImageMagick
Not affected
Red Hat Enterprise Linux 8
ImageMagick
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | ImageMagick | Not affected | n/a |
| Red Hat Enterprise Linux 6 | ImageMagick | Not affected | n/a |
| Red Hat Enterprise Linux 7 | ImageMagick | Not affected | n/a |
| Red Hat Enterprise Linux 8 | ImageMagick | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of ImageMagick as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable code.
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:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.08% (0.02079) | 80.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02135) | 79.55th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.21% (0.00209) | 59.33th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.21% (0.00209) | 57.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00172) | 52.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.44% (0.00442) | 10.76th | v1 |
| Jan 6, 2022 | 0.44% (0.00442) | 10.46th | v1 |
| Sep 1, 2021 | 0.44% (0.00442) | 27.73th | v1 |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-9135 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1563889 Issue Tracking
- https://github.com/ImageMagick/ImageMagick/issues/1009 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-9135
- https://www.cve.org/CVERecord?id=CVE-2018-9135
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-9135 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1563889 | Issue Tracking | |
| https://github.com/ImageMagick/ImageMagick/issues/1009 | x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-9135 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-9135 |
Change history (0)
No recorded changes yet.