Django REST framework

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-8x12-urec-77e2
SummaryWhen transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*
Aliases
0
alias CVE-2021-4128
Fixed_packages
0
url pkg:deb/debian/firefox@0?distro=sid
purl pkg:deb/debian/firefox@0?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid
1
url pkg:deb/debian/firefox@149.0-1?distro=sid
purl pkg:deb/debian/firefox@149.0-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid
2
url pkg:deb/debian/firefox@149.0.2-1?distro=sid
purl pkg:deb/debian/firefox@149.0.2-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid
3
url pkg:deb/debian/firefox@150.0-1?distro=sid
purl pkg:deb/debian/firefox@150.0-1?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid
Affected_packages
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-4128
reference_id
reference_type
scores
0
value 0.00234
scoring_system epss
scoring_elements 0.46242
published_at 2026-04-21T12:55:00Z
1
value 0.00234
scoring_system epss
scoring_elements 0.46182
published_at 2026-04-07T12:55:00Z
2
value 0.00234
scoring_system epss
scoring_elements 0.46238
published_at 2026-04-08T12:55:00Z
3
value 0.00234
scoring_system epss
scoring_elements 0.4624
published_at 2026-04-09T12:55:00Z
4
value 0.00234
scoring_system epss
scoring_elements 0.46263
published_at 2026-04-11T12:55:00Z
5
value 0.00234
scoring_system epss
scoring_elements 0.46235
published_at 2026-04-12T12:55:00Z
6
value 0.00234
scoring_system epss
scoring_elements 0.46245
published_at 2026-04-13T12:55:00Z
7
value 0.00234
scoring_system epss
scoring_elements 0.46302
published_at 2026-04-16T12:55:00Z
8
value 0.00234
scoring_system epss
scoring_elements 0.46298
published_at 2026-04-18T12:55:00Z
9
value 0.00352
scoring_system epss
scoring_elements 0.57529
published_at 2026-04-01T12:55:00Z
10
value 0.00352
scoring_system epss
scoring_elements 0.57613
published_at 2026-04-02T12:55:00Z
11
value 0.00352
scoring_system epss
scoring_elements 0.57634
published_at 2026-04-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-4128
1
reference_url https://www.mozilla.org/en-US/security/advisories/mfsa2021-52
reference_id mfsa2021-52
reference_type
scores
0
value high
scoring_system generic_textual
scoring_elements
url https://www.mozilla.org/en-US/security/advisories/mfsa2021-52
2
reference_url https://www.mozilla.org/security/advisories/mfsa2021-52/
reference_id mfsa2021-52
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:57:08Z/
url https://www.mozilla.org/security/advisories/mfsa2021-52/
3
reference_url https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
reference_id show_bug.cgi?id=1735852
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T15:57:08Z/
url https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Weaknesses
Exploits
Severity_range_score6.5 - 8.9
Exploitabilitynull
Weighted_severitynull
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-8x12-urec-77e2