The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a…
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Partial Red Hat: 13 fixed, 3 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.
Why it matters now
EPSS 0.04267 91st percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 13 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 4 advisories
- RHSA-2008:0146 Released 2008-02-28 · Red Hat rating Moderategd security update
- Red Hat Enterprise Linux (v. 5 server) gd-2.0.33-9.4.el5_1.1, gd-2.0.33-9.4.el5_1.1.i386, gd-2.0.33-9.4.el5_1.1.ia64 +9
- Red Hat Enterprise Linux AS version 4 gd-2.0.28-5.4E.el4_6.1, gd-2.0.28-5.4E.el4_6.1.i386, gd-2.0.28-5.4E.el4_6.1.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) gd-2.0.33-9.4.el5_1.1, gd-2.0.33-9.4.el5_1.1.i386, gd-progs-2.0.33-9.4.el5_1.1 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) gd-2.0.33-9.4.el5_1.1, gd-devel-2.0.33-9.4.el5_1.1, gd-devel-2.0.33-9.4.el5_1.1.i386
- Red Hat Enterprise Linux Desktop version 4 gd-2.0.28-5.4E.el4_6.1, gd-2.0.28-5.4E.el4_6.1.i386, gd-devel-2.0.28-5.4E.el4_6.1 +3
- Red Hat Enterprise Linux ES version 4 gd-2.0.28-5.4E.el4_6.1, gd-2.0.28-5.4E.el4_6.1.i386, gd-2.0.28-5.4E.el4_6.1.ia64 +6
- Red Hat Enterprise Linux WS version 4 gd-2.0.28-5.4E.el4_6.1, gd-2.0.28-5.4E.el4_6.1.i386, gd-2.0.28-5.4E.el4_6.1.ia64 +6
- RHSA-2007:0891 Released 2007-10-25 · Red Hat rating Moderatephp security update
- Red Hat Application Stack v1 for Enterprise Linux AS (v.4) php-5.1.6-3.el4s1.8, php-5.1.6-3.el4s1.8.i386, php-bcmath-5.1.6-3.el4s1.8 +35
- Red Hat Application Stack v1 for Enterprise Linux ES (v.4) php-5.1.6-3.el4s1.8, php-5.1.6-3.el4s1.8.i386, php-bcmath-5.1.6-3.el4s1.8 +35
- RHSA-2007:0889 Released 2007-09-26 · Red Hat rating Moderatephp security update
- Red Hat Desktop version 3 php-4.3.2-43.ent, php-4.3.2-43.ent.i386, php-devel-4.3.2-43.ent +11
- Red Hat Enterprise Linux AS version 3 php-4.3.2-43.ent, php-4.3.2-43.ent.i386, php-4.3.2-43.ent.ia64 +25
- Red Hat Enterprise Linux ES version 3 php-4.3.2-43.ent, php-4.3.2-43.ent.i386, php-4.3.2-43.ent.ia64 +18
- Red Hat Enterprise Linux WS version 3 php-4.3.2-43.ent, php-4.3.2-43.ent.i386, php-4.3.2-43.ent.ia64 +18
Show 1 more Red Hat advisories
- RHSA-2007:0890 Released 2007-09-20 · Red Hat rating Moderatephp security update
- Red Hat Enterprise Linux (v. 5 server) php-5.1.6-15.el5, php-5.1.6-15.el5.i386, php-5.1.6-15.el5.ia64 +47
- Red Hat Enterprise Linux AS version 4 php-4.3.9-3.22.9, php-4.3.9-3.22.9.i386, php-4.3.9-3.22.9.ia64 +47
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) php-5.1.6-15.el5, php-5.1.6-15.el5.i386, php-bcmath-5.1.6-15.el5 +35
- Red Hat Enterprise Linux Desktop version 4 php-4.3.9-3.22.9, php-4.3.9-3.22.9.i386, php-devel-4.3.9-3.22.9 +25
- Red Hat Enterprise Linux ES version 4 php-4.3.9-3.22.9, php-4.3.9-3.22.9.i386, php-4.3.9-3.22.9.ia64 +39
- Red Hat Enterprise Linux WS version 4 php-4.3.9-3.22.9, php-4.3.9-3.22.9.i386, php-4.3.9-3.22.9.ia64 +39
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Application Stack v1 for Enterprise Linux AS (v.4) | Fixed | RHSA-2007:0891 |
| Red Hat Application Stack v1 for Enterprise Linux ES (v.4) | Fixed | RHSA-2007:0891 |
| Red Hat Desktop version 3 | Fixed | RHSA-2007:0889 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2007:0889 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0146 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2007:0889 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2007:0889 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2007:0890, RHSA-2008:0146 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-2756
- 2026-10-03 Alias added: GHSA-2rm4-pxv9-x75c
References
Advisory 22
- OpenPKG-SA-2007.020
- FEDORA-2007-709
- MDKSA-2007:122
- GLSA-200805-13
- GLSA-200710-02
- MDKSA-2007:123
- GLSA-200708-05
- MDKSA-2007:124
- FEDORA-2007-2215
- RHSA-2007:0889
- 2007-0023
- 2007-0019
- SUSE-SR:2007:013
- GLSA-200711-34
- SSA:2007-152-01
- RHSA-2008:0146
- SSRT071447
- MDKSA-2007:187
- RHSA-2007:0890
- RHSA-2007:0891
- USN-473-1
- SUSE-SA:2007:044
More Libgd vulnerabilities
- TI-2019-04913 gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as… CVSS 3.0HIGH 8.8
- TI-2016-02573 Integer signedness error in GD Graphics Library 2.1.1 (aka libgd or libgd2) allows remote… CVSS 3.1CRITICAL 9.8
- TI-2016-08242 Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD… CVSS 3.0CRITICAL 9.8
- TI-2016-07128 Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics… CVSS 3.0CRITICAL 9.8
- TI-2016-06432 Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library… CVSS 3.0CRITICAL 9.8
- TI-2019-04914 The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr()… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2007-2756 · CVE Program
- CVE-2007-2756 · NVD
- FIRST EPSS
- GHSA-2rm4-pxv9-x75c · GitHub Advisory Database · CC BY 4.0
- CVE-2007-2756 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences