Buffer overflow in the LWZReadByte_ function in ext/gd/libgd/gd_gif_in.c in the GD…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in the LWZReadByte_ function in ext/gd/libgd/gd_gif_in.c in the GD extension in PHP before 5.1.5 allows remote attackers to have an unknown impact via a GIF file with input_code_size greater than MAX_LWZ_BITS, which triggers an overflow when initializing the table array.
Why it matters now
EPSS 0.08676 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 3 advisories
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 3 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-2006:0688 Released 2006-10-05 · Red Hat rating Importantphp security update
- Red Hat Application Stack v1 for Enterprise Linux AS (v.4) php-5.1.4-1.el4s1.4, php-5.1.4-1.el4s1.4.i386, php-bcmath-5.1.4-1.el4s1.4 +31
- Red Hat Application Stack v1 for Enterprise Linux ES (v.4) php-5.1.4-1.el4s1.4, php-5.1.4-1.el4s1.4.i386, php-bcmath-5.1.4-1.el4s1.4 +31
- RHSA-2006:0669 Released 2006-09-21 · Red Hat rating Moderatephp security update
- Red Hat Desktop version 3 php-4.3.2-36.ent, php-4.3.2-36.ent.i386, php-devel-4.3.2-36.ent +11
- Red Hat Enterprise Linux AS version 3 php-4.3.2-36.ent, php-4.3.2-36.ent.i386, php-4.3.2-36.ent.ia64 +25
- Red Hat Enterprise Linux AS version 4 php-4.3.9-3.18, php-4.3.9-3.18.i386, php-4.3.9-3.18.ia64 +47
- Red Hat Enterprise Linux Desktop version 4 php-4.3.9-3.18, php-4.3.9-3.18.i386, php-devel-4.3.9-3.18 +25
- Red Hat Enterprise Linux ES version 3 php-4.3.2-36.ent, php-4.3.2-36.ent.i386, php-4.3.2-36.ent.ia64 +18
- Red Hat Enterprise Linux ES version 4 php-4.3.9-3.18, php-4.3.9-3.18.i386, php-4.3.9-3.18.ia64 +39
- Red Hat Enterprise Linux WS version 3 php-4.3.2-36.ent, php-4.3.2-36.ent.i386, php-4.3.2-36.ent.ia64 +18
- Red Hat Enterprise Linux WS version 4 php-4.3.9-3.18, php-4.3.9-3.18.i386, php-4.3.9-3.18.ia64 +39
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Application Stack v1 for Enterprise Linux AS (v.4) | Fixed | RHSA-2006:0688 |
| Red Hat Application Stack v1 for Enterprise Linux ES (v.4) | Fixed | RHSA-2006:0688 |
| Red Hat Desktop version 3 | Fixed | RHSA-2006:0669 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0146 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2006:0669 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0669, 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-2008:0146 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0669, RHSA-2008:0146 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2006:0669 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0669, RHSA-2008:0146 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2006:0669 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0669, RHSA-2008:0146 |
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4484
- 2026-10-03 Alias added: GHSA-6xv8-25r4-5mrf
- 2026-10-07 EPSS moved to the 95th–99th percentile
References
Exploit 1
Patch 3
Advisory 12
Other 10
- https://issues.rpath.com/browse/RPL-683
- http://wiki.rpath.com/Advisories:rPSA-2008-0046
- https://issues.rpath.com/browse/RPL-2218
- http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm
- oval:org.mitre.oval:def:9004
- ADV-2006-3318
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0046
- http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
- http://www.php.net/ChangeLog-5.php#5.1.5
- https://bugzilla.redhat.com/show_bug.cgi?id=431568
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Sources
- CVE-2006-4484 · CVE Program
- CVE-2006-4484 · NVD
- FIRST EPSS
- GHSA-6xv8-25r4-5mrf · GitHub Advisory Database · CC BY 4.0
- CVE-2006-4484 · 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