php: Missing check for OOB read in dynamicGetbuf()
Published Jan 26, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.76%
Description
The dynamicGetbuf function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TIFF image.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
gd
Will not fix
Red Hat Enterprise Linux 5
php
Will not fix
Red Hat Enterprise Linux 5
php53
Will not fix
Red Hat Enterprise Linux 6
gd
Will not fix
Red Hat Enterprise Linux 6
php
Will not fix
Red Hat Enterprise Linux 7
gd
Will not fix
Red Hat Enterprise Linux 7
php
Will not fix
Red Hat OpenShift Enterprise 2
gd
Will not fix
Red Hat OpenShift Enterprise 2
php
Will not fix
Red Hat Software Collections
php54-php
Will not fix
Red Hat Software Collections
php55-php
Will not fix
Red Hat Software Collections
rh-php56-php
Will not fix
Red Hat Software Collections
rh-php70-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gd | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | php53 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | gd | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gd | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | php | Will not fix | n/a |
| Red Hat OpenShift Enterprise 2 | gd | Will not fix | n/a |
| Red Hat OpenShift Enterprise 2 | php | Will not fix | n/a |
| Red Hat Software Collections | php54-php | Will not fix | n/a |
| Red Hat Software Collections | php55-php | Will not fix | n/a |
| Red Hat Software Collections | rh-php56-php | Will not fix | n/a |
| Red Hat Software Collections | rh-php70-php | Will not fix | 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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.76% (0.01765) | 77.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01771) | 75.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.68% (0.00684) | 69.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.66% (0.00663) | 80.35th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.66% (0.00663) | 79.00th | v3 (v2023.03.01) |
| Jun 13, 2023 | 0.66% (0.00663) | 76.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.64% (0.00638) | 75.89th | 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 (9)
- http://www.debian.org/security/2016/dsa-3693 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/95840 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-6911 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1388787 Issue Tracking
- https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md x_refsource_CONFIRMIssue TrackingPatchRelease NotesThird Party Advisory
- https://github.com/libgd/libgd/commit/4859d69e07504d4b0a4bdf9bcb4d9e3769ca35ae x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/libgd/libgd/pull/353 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-6911
- https://www.cve.org/CVERecord?id=CVE-2016-6911
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3693 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/95840 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-6911 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1388787 | Issue Tracking | |
| https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md | x_refsource_CONFIRMIssue TrackingPatchRelease NotesThird Party Advisory | |
| https://github.com/libgd/libgd/commit/4859d69e07504d4b0a4bdf9bcb4d9e3769ca35ae | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/libgd/libgd/pull/353 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-6911 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-6911 |
Change history (0)
No recorded changes yet.