# CVE-2013-1675: Mozilla Firefox Information Disclosure Vulnerability

Source: https://junglewise.ai/threats/cve-2013-1675-mozilla-firefox-information-disclosure-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2013-1675 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2022-03-03

Mozilla Firefox and Thunderbird fail to properly initialize data structures within the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions. This flaw allows remote attackers to disclose sensitive information from process memory via a specially crafted website.

Technologies: [Mozilla Firefox](https://junglewise.ai/threats/technologies/firefox), [Mozilla Firefox ESR](https://junglewise.ai/threats/technologies/firefox-esr), [Mozilla Thunderbird](https://junglewise.ai/threats/technologies/thunderbird). Vendors: [Mozilla](https://junglewise.ai/threats/vendors/mozilla).

## Quick answers

**Is CVE-2013-1675 exploited in the wild?** Yes. CVE-2013-1675 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.

**How severe is CVE-2013-1675?** Critical severity, with a CVSS score of 6.5, published 3 March 2022.

**Which products and versions are affected?** Mozilla Firefox before 21.0; Mozilla Firefox ESR 17.x before 17.0.6; Mozilla Thunderbird before 17.0.6; Mozilla Thunderbird ESR 17.x before 17.0.6.

**Is there a fix for CVE-2013-1675?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2013-1675 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2013-1675?** Check whether you run Mozilla Firefox, Mozilla Firefox ESR or Mozilla Thunderbird. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Mozilla Firefox before 21.0
- Mozilla Firefox ESR 17.x before 17.0.6
- Mozilla Thunderbird before 17.0.6
- Mozilla Thunderbird ESR 17.x before 17.0.6

## Timeline

- 2013-05-14: advisory: Mozilla Foundation Security Advisory MFSA2013-47 published.
- 2022-03-03: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) Catalog.
- 2022-03-03: disclosed: NVD publication date.

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