CVE-2013-1675 — Mozilla Firefox Information Disclosure Vulnerability

Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote atta

01What is this vulnerability?

Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-03. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2013-05-16T10:00:00.000Z
• Last modified: 2025-10-22T00:05:42.585Z
• Added to CISA KEV: 2022-03-03
• BOD 22-01 due: 2022-03-24

09References

• www.debian.org — http://www.debian.org/security/2013/dsa-2699
• www.mandriva.com — http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html
• bugzilla.mozilla.org — https://bugzilla.mozilla.org/show_bug.cgi?id=866825
• www.ubuntu.com — http://www.ubuntu.com/usn/USN-1823-1
• rhn.redhat.com — http://rhn.redhat.com/errata/RHSA-2013-0821.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html
• www.mozilla.org — http://www.mozilla.org/security/announce/2013/mfsa2013-47.html
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html
• rhn.redhat.com — http://rhn.redhat.com/errata/RHSA-2013-0820.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html
• www.securityfocus.com — http://www.securityfocus.com/bid/59858
• www.ubuntu.com — http://www.ubuntu.com/usn/USN-1822-1