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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.12.4
Typemaven
Namespaceorg.apache.logging.log4j
Namelog4j-1.2-api
Version2.12.4
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version2.25.4
Latest_non_vulnerable_version2.25.4
Affected_by_vulnerabilities
0
url VCID-6pf4-qvrk-kugc
vulnerability_id VCID-6pf4-qvrk-kugc
summary The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such characters with a fatal error, which may cause downstream log processing systems to drop or fail to index affected records. Two groups of users are affected: * Those using Log4j1XmlLayout directly in a Log4j Core 2 configuration file. * Those using the Log4j 1 configuration compatibility layer with org.apache.log4j.xml.XMLLayout specified as the layout class. Users are advised to upgrade to Apache Log4j 1-to-Log4j 2 bridge version 2.25.4, which corrects this issue. Note: The Apache Log4j 1-to-Log4j 2 bridge is deprecated and will not be present in Log4j 3. Users are encouraged to consult the Log4j 1 to Log4j 2 migration guide https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html , and specifically the section on eliminating reliance on the bridge.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34479.json
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34479.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-34479
reference_id
reference_type
scores
0
value 0.00126
scoring_system epss
scoring_elements 0.3132
published_at 2026-06-09T12:55:00Z
1
value 0.00126
scoring_system epss
scoring_elements 0.31401
published_at 2026-06-05T12:55:00Z
2
value 0.00126
scoring_system epss
scoring_elements 0.31367
published_at 2026-06-06T12:55:00Z
3
value 0.00126
scoring_system epss
scoring_elements 0.31329
published_at 2026-06-07T12:55:00Z
4
value 0.00126
scoring_system epss
scoring_elements 0.31296
published_at 2026-06-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-34479
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34479
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34479
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 5.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://github.com/apache/logging-log4j2
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/apache/logging-log4j2
5
reference_url https://github.com/apache/logging-log4j2/pull/4078
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T17:45:24Z/
url https://github.com/apache/logging-log4j2/pull/4078
6
reference_url https://lists.apache.org/thread/gd0hp6mj17rn3kj279vgy4p7kd4zz5on
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T17:45:24Z/
url https://lists.apache.org/thread/gd0hp6mj17rn3kj279vgy4p7kd4zz5on
7
reference_url https://logging.apache.org/cyclonedx/vdr.xml
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T17:45:24Z/
url https://logging.apache.org/cyclonedx/vdr.xml
8
reference_url https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T17:45:24Z/
url https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html
9
reference_url https://logging.apache.org/security.html#CVE-2026-34479
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T17:45:24Z/
url https://logging.apache.org/security.html#CVE-2026-34479
10
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-34479
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-34479
11
reference_url http://www.openwall.com/lists/oss-security/2026/04/10/8
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url http://www.openwall.com/lists/oss-security/2026/04/10/8
12
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1133848
reference_id 1133848
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1133848
13
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2457313
reference_id 2457313
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2457313
14
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*
reference_id cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:*
15
reference_url https://github.com/advisories/GHSA-h383-gmxw-35v2
reference_id GHSA-h383-gmxw-35v2
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-h383-gmxw-35v2
16
reference_url https://access.redhat.com/errata/RHSA-2026:21773
reference_id RHSA-2026:21773
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:21773
fixed_packages
0
url pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.25.4
purl pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.25.4
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.25.4
aliases CVE-2026-34479, GHSA-h383-gmxw-35v2
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-6pf4-qvrk-kugc
Fixing_vulnerabilities
Risk_score3.1
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:maven/org.apache.logging.log4j/log4j-1.2-api@2.12.4