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Threats / Mozilla / CVE-2013-1675
CVE-2013-1675 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Mozilla Firefox vulnerability

Mozilla Firefox fails to properly initialize data structures in SVG zoom event handlers, allowing remote attackers to read sensitive information from process memory via crafted websites.

Verdict

Today item — known-exploited.

A remote attacker can craft a malicious website that exploits uninitialized memory in Firefox's SVG zoom event handling to leak sensitive data from the browser process. This information disclosure vulnerability requires user interaction but poses a real risk to confidentiality.

CISA KEV Yes · 2022-03-033EPSS 0.06696 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
1 independent public report of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
cisa.gov ↗Confirmed
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.06696 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Mozilla, Firefox. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-119 Memory Buffer Bounds Error — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious website containing SVG content that triggers zoom events with uninitialized data structures.
Business
User confidentiality is compromised as sensitive process memory contents may be exposed to the attacker.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I host the exploit on a website and wait for Firefox users to visit it, or distribute it through social engineering.
Business
Widespread exposure of user data and browser process memory across the Firefox user base creates privacy and compliance risks.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 1 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by mozilla (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by mozillaCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.