Page generated: 09 Nov 2026, 07:54 UTC
← Dashboard

CVE-2016-9079

A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.…

Read full description
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.
CVSS 7.5 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.5: +1.12
  • Fresh EPSS: 87.36%: +0.44

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 4 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

GBHackers News
Press · 28 Sep 2026, 17:48 · Tor Users Keep Getting Unmasked Through the Browser, Not the Onion Routing - GBHackers News
BleepingComputer
Press · 22 Jun 2023, 07:00 · CISA orders govt agencies to patch bugs exploited by Russian hackers - BleepingComputer
Help Net Security
Press · 01 Dec 2016, 08:00 · Actively exploited Firefox, Tor Browser 0-day patched, update now! - Help Net Security
Malwarebytes
Press · 30 Nov 2016, 08:00 · Tor Browser zero-day strikes again - Malwarebytes

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.6 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 7.5; EPSS 87.4%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:46.755924+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
30 Nov 2016, 08:00
Published
11 Jun 2018, 21:00
Added to the CISA KEV catalog
22 Jun 2023, 00:00
Latest press mention
28 Sep 2026, 17:48
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
2 repositories