CVE-2006-6500 — Heap-based buffer overflow in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by setting the CSS cursor to certain images that cause an incorrect size calculation when converting to a Windows bitmap

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MEDIUM

Heap-based buffer overflow in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by setting the CSS cursor to certain images that cause an incorrect size calculation when converting to a Windows bitmap

Published Dec 20, 2006

6.8

MEDIUM

CVSS 2.0

EPSS 8.56%

Description

Heap-based buffer overflow in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by setting the CSS cursor to certain images that cause an incorrect size calculation when converting to a Windows bitmap.

Affected products

Remediation

No remediation recorded yet.

Metrics

8.56% 0.08564

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.08564

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	8.56% (0.08564)	94.91th	v5 (v2026.06.15)
Jun 15, 2026	8.29% (0.08288)	94.19th	v5 (v2026.06.15)
Mar 17, 2025	36.69% (0.36685)	96.78th	v4 (v2025.03.14)
Dec 17, 2024	44.81% (0.44815)	97.46th	v3 (v2023.03.01)
Nov 30, 2023	23.75% (0.23747)	96.11th	v3 (v2023.03.01)
Oct 23, 2023	15.11% (0.15106)	95.20th	v3 (v2023.03.01)
Sep 15, 2023	13.61% (0.13613)	94.95th	v3 (v2023.03.01)
May 23, 2023	23.57% (0.23566)	95.86th	v3 (v2023.03.01)
Mar 7, 2023	13.84% (0.13842)	94.72th	v3 (v2023.03.01)
Mar 6, 2023	6.60% (0.06604)	91.53th	v2 (v2022.01.01)
Apr 1, 2022	6.60% (0.06604)	90.72th	v2 (v2022.01.01)
Feb 4, 2022	6.60% (0.06604)	78.62th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (25)

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
vendor-advisoryx_refsource_HPBroken Link
http://secunia.com/advisories/23282
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23420
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23422
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23545
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23598
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23614
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23672
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23692
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://security.gentoo.org/glsa/glsa-200701-02.xml
vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://securitytracker.com/id?1017399
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1017400
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1017401
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://www.gentoo.org/security/en/glsa/glsa-200701-03.xml
vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200701-04.xml
vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://www.kb.cert.org/vuls/id/722244
third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2007:010
vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2007:011
vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
http://www.mozilla.org/security/announce/2006/mfsa2006-69.html
x_refsource_CONFIRMVendor Advisory
http://www.novell.com/linux/security/advisories/2006_80_mozilla.html
vendor-advisoryx_refsource_SUSEBroken Link
http://www.novell.com/linux/security/advisories/2007_06_mozilla.html
vendor-advisoryx_refsource_SUSEBroken Link
http://www.securityfocus.com/bid/21668
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA06-354A.html
third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2006/5068
vdb-entryx_refsource_VUPENThird Party Advisory
http://www.vupen.com/english/advisories/2008/0083
vdb-entryx_refsource_VUPENThird Party Advisory

Link	Providers	Tags
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742		vendor-advisoryx_refsource_HPBroken Link
http://secunia.com/advisories/23282		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23420		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23422		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23545		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23598		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23614		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23672		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://secunia.com/advisories/23692		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://security.gentoo.org/glsa/glsa-200701-02.xml		vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://securitytracker.com/id?1017399		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1017400		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1017401		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
http://www.gentoo.org/security/en/glsa/glsa-200701-03.xml		vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200701-04.xml		vendor-advisoryx_refsource_GENTOOThird Party Advisory
http://www.kb.cert.org/vuls/id/722244		third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2007:010		vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2007:011		vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
http://www.mozilla.org/security/announce/2006/mfsa2006-69.html		x_refsource_CONFIRMVendor Advisory
http://www.novell.com/linux/security/advisories/2006_80_mozilla.html		vendor-advisoryx_refsource_SUSEBroken Link
http://www.novell.com/linux/security/advisories/2007_06_mozilla.html		vendor-advisoryx_refsource_SUSEBroken Link
http://www.securityfocus.com/bid/21668		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA06-354A.html		third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2006/5068		vdb-entryx_refsource_VUPENThird Party Advisory
http://www.vupen.com/english/advisories/2008/0083		vdb-entryx_refsource_VUPENThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Dec 20, 2006

Updated Aug 7, 2024

Reserved Dec 13, 2006

Link CVE-2006-6500

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2006-6500

Red Hat

Severity n/a

Public date n/a

Links CVE-2006-6500