CVE-2007-3476: Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote

Q: How do I fix CVE-2007-3476?

gdlib: upgrade to newer than 2.0.34. Exact commands for each OS are on this page.

Q: Is CVE-2007-3476 being exploited?

CVE-2007-3476 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-3476 affect?

CVE-2007-3476 affects gdlib. Severity is medium (CVSS 4.3). Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which resul

Q: How urgent is CVE-2007-3476?

Priority 36/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2007-3476 is a medium-severity flaw (CVSS 4.3) affecting gdlib. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which results in a segmentation fault.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.5% (top 16%)
CISA exploited list	No
Weakness	CWE-189
Published	2007-06-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gd graphics library

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-06-28 18:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

gd graphics library gdlib UPGRADE

Affected: <= 2.0.34

Fixed in: newer than 2.0.34

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gdlib || rpm -q gdlib || gdlib --version

2. UPGRADE to newer than 2.0.34 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gdlib

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gdlib

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-3476?

gdlib: upgrade to newer than 2.0.34. Exact commands for each OS are on this page.

Is CVE-2007-3476 being exploited?

CVE-2007-3476 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-3476 affect?

CVE-2007-3476 affects gdlib. Severity is medium (CVSS 4.3). Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which resul

How urgent is CVE-2007-3476?

Priority 36/100. No elevated risk signals yet.

Related CVEs

CVE-2007-3478 MEDIUM 4.3 UPGRADE Race condition in gdImageStringFTEx (gdft_draw_bitmap) in gdft.c in the GD Graphics Library (libgd) before 2.0
CVE-2007-3475 MEDIUM 4.3 UPGRADE The GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of servi
CVE-2004-0990 HIGH 10.0 DOWNGRADE DOWNGRADE Integer overflow in GD Graphics Library libgd 2.0.28 (libgd2), and possibly other versions, allows remote atta
CVE-2004-0941 HIGH 10.0 DOWNGRADE MITIGATE Multiple buffer overflows in the gd graphics library (libgd) 2.0.21 and earlier may allow remote attackers to

References

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