php: Double free in gdImageWebpPtr()
Published Jan 26, 2017
9.8
CRITICALCVSS 3.0
EPSS 4.49%
Description
Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
gd
Not affected
Red Hat Enterprise Linux 5
libwmf
Not affected
Red Hat Enterprise Linux 5
php
Not affected
Red Hat Enterprise Linux 5
php53
Not affected
Red Hat Enterprise Linux 6
gd
Not affected
Red Hat Enterprise Linux 6
libwmf
Not affected
Red Hat Enterprise Linux 6
php
Not affected
Red Hat Enterprise Linux 7
gd
Not affected
Red Hat Enterprise Linux 7
libwmf
Not affected
Red Hat Enterprise Linux 7
php
Not affected
Red Hat OpenShift Enterprise 2
gd
Not affected
Red Hat OpenShift Enterprise 2
php
Not affected
Red Hat Software Collections
rh-php56-php
Not affected
Red Hat Software Collections
rh-php70-php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gd | Not affected | n/a |
| Red Hat Enterprise Linux 5 | libwmf | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php53 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | gd | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libwmf | Not affected | n/a |
| Red Hat Enterprise Linux 6 | php | Not affected | n/a |
| Red Hat Enterprise Linux 7 | gd | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libwmf | Not affected | n/a |
| Red Hat Enterprise Linux 7 | php | Not affected | n/a |
| Red Hat OpenShift Enterprise 2 | gd | Not affected | n/a |
| Red Hat OpenShift Enterprise 2 | php | Not affected | n/a |
| Red Hat Software Collections | rh-php56-php | Not affected | n/a |
| Red Hat Software Collections | rh-php70-php | 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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.49% (0.04486) | 91.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.45% (0.04449) | 90.15th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.94% (0.00937) | 74.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.59% (0.03591) | 79.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.94% (0.00937) | 74.59th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.75% (0.00749) | 81.64th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.75% (0.00749) | 80.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00749) | 78.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://www.debian.org/security/2017/dsa-3777 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/95843 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-6912 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1417977 Issue Tracking
- https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md x_refsource_CONFIRMPatchRelease Notes
- https://github.com/libgd/libgd/commit/a49feeae76d41959d85ee733925a4cf40bac61b2 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-6912
- https://www.cve.org/CVERecord?id=CVE-2016-6912
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3777 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/95843 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-6912 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1417977 | Issue Tracking | |
| https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md | x_refsource_CONFIRMPatchRelease Notes | |
| https://github.com/libgd/libgd/commit/a49feeae76d41959d85ee733925a4cf40bac61b2 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-6912 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-6912 |
Change history (0)
No recorded changes yet.