What is CVE-2013-1675?

CVE-2013-1675 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Initialization. CVSS score: 6.5/10. Published 2013-05-16.

How severe is CVE-2013-1675?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2013-1675 known to be exploited?

Yes. CVE-2013-1675 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Vulnerability in Mozilla Firefox

CVE-2013-1675

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.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

Published 2013-05-16 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.067 (93.8th percentile), scored 2026-10-18.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.067 · newest: 0.067 · change: 0.000

Affected products

Mozilla Firefox
Mozilla Thunderbird
Mozilla Thunderbird Esr
Canonical Ubuntu Linux — versions 12.04, 12.10, 13.04
Debian Linux — versions 7.0
openSUSE — versions 12.2, 12.3
Red Hat Enterprise Linux Desktop — versions 5.0, 6.0
Red Hat Enterprise Linux Eus — versions 5.9, 6.4
Red Hat Enterprise Linux For IBM Z Systems — versions 5.0_s390x, 6.0_s390x
Red Hat Enterprise Linux For IBM Z Systems Eus — versions 5.9_s390x, 6.4_s390x

Weakness classification (CWE)

CWE-665 — Improper Initialization

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.debian.org/security/2013/dsa-2699 (vendor-advisory, Mailing List)
www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html (vendor-advisory, Mailing List, Third Party Advisory)
bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking)
www.ubuntu.com/usn/USN-1823-1 (vendor-advisory, Third Party Advisory)
rhn.redhat.com/errata/RHSA-2013-0821.html (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html (vendor-advisory, Mailing List, Third Party Advisory)
www.mozilla.org/security/announce/2013/mfsa2013-47.html (Vendor Advisory)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:16976 (Broken Link, signature, vdb-entry)
lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html (vendor-advisory, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2013-1675?: CVE-2013-1675 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Initialization. CVSS score: 6.5/10. Published 2013-05-16.
How severe is CVE-2013-1675?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2013-1675 known to be exploited?: Yes. CVE-2013-1675 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.