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Vulnerability record · CVE-2006-1730 · published 14 April 2006

CVE-2006-1730: Mozilla firefox vulnerability

Mozilla · Firefox

Integer overflow in Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1 allows remote attackers to execute arbitrary code via a large number in the CSS letter-spacing property that leads to a heap-based buffer overflow.

9.3 CVSS 2.0 High EPSS 10% · top 4.4% CWE-189 · CWE-189
9.3CVSS 2.0 base score
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
146References
16 Jun 2026Last modified by NVD

Description

Integer overflow in Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1 allows remote attackers to execute arbitrary code via a large number in the CSS letter-spacing property that leads to a heap-based buffer overflow.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2006.26/SCOSA-2006.26.txt
ftp://patches.sgi.com/support/free/security/advisories/20060404-01-U.asc
http://lists.suse.com/archive/suse-security-announce/2006-Apr/0003.html
http://secunia.com/advisories/19631 PatchVendor Advisory
http://secunia.com/advisories/19649 PatchVendor Advisory
http://secunia.com/advisories/19696
http://secunia.com/advisories/19714 Vendor Advisory
http://secunia.com/advisories/19721 Vendor Advisory
http://secunia.com/advisories/19729
http://secunia.com/advisories/19746 Vendor Advisory
http://secunia.com/advisories/19759 Vendor Advisory
http://secunia.com/advisories/19780
http://secunia.com/advisories/19794 Vendor Advisory
http://secunia.com/advisories/19811 Vendor Advisory
http://secunia.com/advisories/19821 Vendor Advisory
http://secunia.com/advisories/19823 Vendor Advisory
http://secunia.com/advisories/19852 Vendor Advisory
http://secunia.com/advisories/19862 Vendor Advisory
http://secunia.com/advisories/19863 Vendor Advisory
http://secunia.com/advisories/19902 Vendor Advisory
http://secunia.com/advisories/19941 Vendor Advisory
http://secunia.com/advisories/19950 Vendor Advisory
http://secunia.com/advisories/20051
http://secunia.com/advisories/21033 Vendor Advisory
http://secunia.com/advisories/21622
http://secunia.com/advisories/22065
http://secunia.com/advisories/22066
http://securityreason.com/securityalert/720
http://securitytracker.com/id?1015915 Patch
http://securitytracker.com/id?1015916 Patch
http://securitytracker.com/id?1015917 Patch
http://securitytracker.com/id?1015918 Patch
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102550-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-228526-1
http://support.avaya.com/elmodocs2/security/ASA-2006-205.htm
http://www.debian.org/security/2006/dsa-1044
http://www.debian.org/security/2006/dsa-1046
http://www.debian.org/security/2006/dsa-1051
http://www.gentoo.org/security/en/glsa/glsa-200604-12.xml
http://www.gentoo.org/security/en/glsa/glsa-200604-18.xml

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2019-11708Mozilla Firefox and Thunderbird sandbox escape via Prompt:Open IPC validation flawThe Prompt:Open IPC message between child and parent processes does not sufficiently vet its parameters, letting a compromised child process cause th…KEVEPSS 56%analysed9.8CVE-2024-9680Mozilla Firefox and Thunderbird use-after-free in Animation timelinesA use-after-free flaw in Animation timelines allows an attacker to execute code in the content process of Firefox and Thunderbird. Mozilla reports ex…KEVEPSS 23%analysed9.8CVE-2010-3765Mozilla Firefox, Thunderbird and SeaMonkey memory corruption via appendChildA memory corruption flaw in Mozilla Firefox, Thunderbird and SeaMonkey arises from incorrect index tracking in nsCSSFrameConstructor::ContentAppended…KEVEPSS 83%analysed9.6CVE-2022-26486Firefox WebGPU IPC use-after-free enables sandbox escapeAn unexpected message in the WebGPU IPC framework triggers a use-after-free in Mozilla Firefox, Firefox ESR, Firefox for Android, Thunderbird and Foc…KEVEPSS 2.3%analysed8.8CVE-2023-5217libvpx VP8 encoding heap buffer overflow exploited via crafted HTMLA heap buffer overflow in the VP8 encoder in libvpx affects Google Chrome before 117.0.5938.132 and libvpx 1.13.1, and is reachable through a crafted…KEVEPSS 49%analysed8.8CVE-2023-4863libwebp Heap Buffer Overflow via Crafted WebP ImageA heap buffer overflow in libwebp allows an out-of-bounds memory write when processing a crafted WebP image. It affects Google Chrome before 116.0.58…KEVEPSS 100%analysed8.8CVE-2022-26485Firefox XSLT parameter removal use-after-freeRemoving an XSLT parameter during processing in Mozilla Firefox could trigger a use-after-free condition. Mozilla reported attacks in the wild abusin…KEVEPSS 14%analysed8.8CVE-2019-17026Firefox and Thunderbird IonMonkey JIT type confusionIncorrect alias information in the IonMonkey JIT compiler when setting array elements can cause a type confusion in Firefox, Firefox ESR and Thunderb…KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2006-1730), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.