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Vulnerability record · CVE-2013-0768 · published 13 January 2013

CVE-2013-0768: Mozilla firefox out-of-bounds write vulnerability

Mozilla · Firefox

Stack-based buffer overflow in the Canvas implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via an HTML document that specifies invalid width and height values.

9.3 CVSS 2.0 High EPSS 7.6% · top 5.6% CWE-787 · Out-of-bounds write
9.3CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the Canvas implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via an HTML document that specifies invalid width and height values.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00017.html Mailing ListThird Party Advisory
http://www.mozilla.org/security/announce/2013/mfsa2013-03.html Vendor Advisory
http://www.ubuntu.com/usn/USN-1681-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-1681-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-1681-4 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=815795 ExploitIssue TrackingPatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16990 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00017.html Mailing ListThird Party Advisory
http://www.mozilla.org/security/announce/2013/mfsa2013-03.html Vendor Advisory
http://www.ubuntu.com/usn/USN-1681-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-1681-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-1681-4 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=815795 ExploitIssue TrackingPatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16990 Third Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2013-0768), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.