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CVE detail

CVE-2020-6821

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

CVSS 7.5 · HighBuzz score 25.4

Buzz score

Why this CVE is surfacing

Buzz score total 25.4

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
11.5
3 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • 13th April – Threat Intelligence BulletinCheck Point Research

    For the latest discoveries in cyber research for the week of 13th April 2020, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Hammersmith Medicines Research LTD (HMR), a research firm on standby to perform live trials of coronavirus vaccines, has suffered a data breach by the Maze ransomware. HMR has decided not to pay […]

    vendorresearch.checkpoint.comApr 13, 2020, 12:21 PM
  • Google and Mozilla released new versions of Chrome and Firefox browsers to addressed several high-severity vulnerabilities. Mozilla has released Firefox version 75 that includes six security patches for the desktop, and two patches targeting to address vulnerabilities in the Android app. “With today’s release, a number of improvements will help you search smarter, faster.” reads the […]

    newssecurityaffairs.comApr 9, 2020, 3:30 PM
  • Both Google and Mozilla released new versions of their browsers this week, addressing a variety of high-severity vulnerabilities, some of which could lead to remote code execution.

    newswww.securityweek.comApr 9, 2020, 9:31 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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