Django REST framework

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-y7r9-y9t3-4yfz
Summary
Aliases
0
alias CVE-2025-14242
Fixed_packages
0
url pkg:deb/debian/vsftpd@0?distro=trixie
purl pkg:deb/debian/vsftpd@0?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@0%3Fdistro=trixie
1
url pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-t3yw-8rhv-jyer
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-12%3Fdistro=trixie
2
url pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-t3yw-8rhv-jyer
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-13%3Fdistro=trixie
3
url pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.2%3Fdistro=trixie
4
url pkg:deb/debian/vsftpd@3.0.5-0.7?distro=trixie
purl pkg:deb/debian/vsftpd@3.0.5-0.7?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.7%3Fdistro=trixie
Affected_packages
0
url pkg:rpm/redhat/vsftpd@3.0.3-31.el8_2?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.3-31.el8_2?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-31.el8_2%3Farch=1
1
url pkg:rpm/redhat/vsftpd@3.0.3-33.el8_4?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.3-33.el8_4?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-33.el8_4%3Farch=1
2
url pkg:rpm/redhat/vsftpd@3.0.3-35.el8_6?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.3-35.el8_6?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-35.el8_6%3Farch=1
3
url pkg:rpm/redhat/vsftpd@3.0.3-35.el8_8?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.3-35.el8_8?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-35.el8_8%3Farch=1
4
url pkg:rpm/redhat/vsftpd@3.0.3-36.el8_10?arch=3
purl pkg:rpm/redhat/vsftpd@3.0.3-36.el8_10?arch=3
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-36.el8_10%3Farch=3
5
url pkg:rpm/redhat/vsftpd@3.0.3-49.el9_0?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.3-49.el9_0?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.3-49.el9_0%3Farch=1
6
url pkg:rpm/redhat/vsftpd@3.0.5-4.el9_2?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.5-4.el9_2?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-4.el9_2%3Farch=1
7
url pkg:rpm/redhat/vsftpd@3.0.5-5.el9_4?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.5-5.el9_4?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-5.el9_4%3Farch=1
8
url pkg:rpm/redhat/vsftpd@3.0.5-6.el9_6?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.5-6.el9_6?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-6.el9_6%3Farch=1
9
url pkg:rpm/redhat/vsftpd@3.0.5-6.el9_7?arch=2
purl pkg:rpm/redhat/vsftpd@3.0.5-6.el9_7?arch=2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-6.el9_7%3Farch=2
10
url pkg:rpm/redhat/vsftpd@3.0.5-9.el10_0?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.5-9.el10_0?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-9.el10_0%3Farch=1
11
url pkg:rpm/redhat/vsftpd@3.0.5-10.el10_1?arch=1
purl pkg:rpm/redhat/vsftpd@3.0.5-10.el10_1?arch=1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-y7r9-y9t3-4yfz
resource_url http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/vsftpd@3.0.5-10.el10_1%3Farch=1
References
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14242.json
reference_id
reference_type
scores
0
value 6.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14242.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2025-14242
reference_id
reference_type
scores
0
value 0.00138
scoring_system epss
scoring_elements 0.33679
published_at 2026-06-14T12:55:00Z
1
value 0.00138
scoring_system epss
scoring_elements 0.33705
published_at 2026-06-13T12:55:00Z
2
value 0.00143
scoring_system epss
scoring_elements 0.34558
published_at 2026-06-12T12:55:00Z
3
value 0.00204
scoring_system epss
scoring_elements 0.42444
published_at 2026-06-11T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2025-14242
2
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
3
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:8::appstream
reference_id cpe:/a:redhat:enterprise_linux:8::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:8::appstream
4
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:9::appstream
reference_id cpe:/a:redhat:enterprise_linux:9::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:9::appstream
5
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.2::appstream
reference_id cpe:/a:redhat:rhel_aus:8.2::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.2::appstream
6
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.4::appstream
reference_id cpe:/a:redhat:rhel_aus:8.4::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.4::appstream
7
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.6::appstream
reference_id cpe:/a:redhat:rhel_aus:8.6::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.6::appstream
8
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.6::appstream
reference_id cpe:/a:redhat:rhel_e4s:8.6::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.6::appstream
9
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.8::appstream
reference_id cpe:/a:redhat:rhel_e4s:8.8::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.8::appstream
10
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.0::appstream
reference_id cpe:/a:redhat:rhel_e4s:9.0::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.0::appstream
11
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.2::appstream
reference_id cpe:/a:redhat:rhel_e4s:9.2::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.2::appstream
12
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.4::appstream
reference_id cpe:/a:redhat:rhel_eus:9.4::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.4::appstream
13
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.6::appstream
reference_id cpe:/a:redhat:rhel_eus:9.6::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.6::appstream
14
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
reference_id cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
15
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.6::appstream
reference_id cpe:/a:redhat:rhel_tus:8.6::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.6::appstream
16
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.8::appstream
reference_id cpe:/a:redhat:rhel_tus:8.8::appstream
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.8::appstream
17
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:10.1
reference_id cpe:/o:redhat:enterprise_linux:10.1
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:10.1
18
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
reference_id cpe:/o:redhat:enterprise_linux:6
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
19
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
reference_id cpe:/o:redhat:enterprise_linux:7
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
20
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux_eus:10.0
reference_id cpe:/o:redhat:enterprise_linux_eus:10.0
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux_eus:10.0
21
reference_url https://access.redhat.com/security/cve/CVE-2025-14242
reference_id CVE-2025-14242
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/security/cve/CVE-2025-14242
22
reference_url https://access.redhat.com/errata/RHSA-2026:0605
reference_id RHSA-2026:0605
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:0605
23
reference_url https://access.redhat.com/errata/RHSA-2026:0606
reference_id RHSA-2026:0606
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:0606
24
reference_url https://access.redhat.com/errata/RHSA-2026:0608
reference_id RHSA-2026:0608
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:0608
25
reference_url https://access.redhat.com/errata/RHSA-2026:4470
reference_id RHSA-2026:4470
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4470
26
reference_url https://access.redhat.com/errata/RHSA-2026:4477
reference_id RHSA-2026:4477
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4477
27
reference_url https://access.redhat.com/errata/RHSA-2026:4513
reference_id RHSA-2026:4513
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4513
28
reference_url https://access.redhat.com/errata/RHSA-2026:4522
reference_id RHSA-2026:4522
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4522
29
reference_url https://access.redhat.com/errata/RHSA-2026:4525
reference_id RHSA-2026:4525
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4525
30
reference_url https://access.redhat.com/errata/RHSA-2026:4543
reference_id RHSA-2026:4543
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4543
31
reference_url https://access.redhat.com/errata/RHSA-2026:4550
reference_id RHSA-2026:4550
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4550
32
reference_url https://access.redhat.com/errata/RHSA-2026:4553
reference_id RHSA-2026:4553
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4553
33
reference_url https://access.redhat.com/errata/RHSA-2026:4554
reference_id RHSA-2026:4554
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://access.redhat.com/errata/RHSA-2026:4554
34
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2419826
reference_id show_bug.cgi?id=2419826
reference_type
scores
0
value 6.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T15:31:10Z/
url https://bugzilla.redhat.com/show_bug.cgi?id=2419826
Weaknesses
0
cwe_id 190
name Integer Overflow or Wraparound
description The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
Exploits
Severity_range_score6.5 - 6.5
Exploitability0.5
Weighted_severity5.9
Risk_score3.0
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-y7r9-y9t3-4yfz