CVE-2007-4987

CVE-2007-4987 is a critical-severity vulnerability in Imagemagick with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Imagemagick
• Published: 2007-09-24
• Last modified: 2026-06-16

Description

Off-by-one error in the ReadBlobString function in blob.c in ImageMagick before 6.3.5-9 allows context-dependent attackers to execute arbitrary code via a crafted image file, which triggers the writing of a '\0' character to an out-of-bounds address.

Frequently asked questions

What is CVE-2007-4987?

Off-by-one error in the ReadBlobString function in blob.c in ImageMagick before 6.3.5-9 allows context-dependent attackers to execute arbitrary code via a crafted image file, which triggers the writing of a '\0' character to an out-of-bounds address.

How severe is CVE-2007-4987?

CVE-2007-4987 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-4987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4987?

CVE-2007-4987 primarily affects Imagemagick. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-4987?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-4987 published?

CVE-2007-4987 was published on 2007-09-24 and last updated on 2026-06-16.

References

• http://bugs.gentoo.org/show_bug.cgi?id=186030
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=595
• http://secunia.com/advisories/26926
• http://secunia.com/advisories/27048
• http://secunia.com/advisories/27309
• http://secunia.com/advisories/27364
• http://secunia.com/advisories/27439
• http://secunia.com/advisories/28721
• http://secunia.com/advisories/36260
• http://security.gentoo.org/glsa/glsa-200710-27.xml
• http://studio.imagemagick.org/pipermail/magick-announce/2007-September/000037.html
• http://www.debian.org/security/2009/dsa-1858
• http://www.imagemagick.org/script/changelog.php
• http://www.mandriva.com/en/security/advisories?name=MDVSA-2008:035
• http://www.novell.com/linux/security/advisories/2007_23_sr.html
• http://www.securityfocus.com/archive/1/483572/100/0/threaded
• http://www.securityfocus.com/bid/25766
• http://www.securitytracker.com/id?1018729
• http://www.ubuntu.com/usn/usn-523-1
• http://www.vupen.com/english/advisories/2007/3245
• https://exchange.xforce.ibmcloud.com/vulnerabilities/36739
• https://issues.rpath.com/browse/RPL-1743

Affected products (57)

• cpe:2.3:a:imagemagick:imagemagick:5.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.4.8.2_1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.3_.2_1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.6.0_20030409:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:5.5.7.15:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.2:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.2.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick:imagemagick:6.2.2:*:*:*:*:*:*:*

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