USN-8743-1
- Source
- https://ubuntu.com/security/notices/USN-8743-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8743-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-8743-1
- Upstream
- Related
- Published
- 2026-09-10T11:48:08Z
- Modified
- 2026-09-10T21:42:30Z
- Summary
- php8.1, php8.3, php8.5 vulnerabilities
- Details
-
It was discovered that PHP incorrectly handled backslash escaping in the PostgreSQL extension. An attacker could use this issue to perform SQL injection attacks. (CVE-2026-17543)
It was discovered that PHP incorrectly handled certain inputs to the bccomp() function. An attacker could use this issue to cause an out-of- bounds write, resulting in a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-17544)
It was discovered that PHP incorrectly handled circular symbolic links in phar archives. An attacker could use this issue to cause unbounded recursion, resulting in a denial of service. (CVE-2026-7260)
- References
Affected packages
Ubuntu:22.04:LTS / php8.1
Package
- Name
- php8.1
- Purl
- pkg:deb/ubuntu/php8.1?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.1.2-1ubuntu2.26
Affected versions
8.*
8.1.0~rc4-1ubuntu2
8.1.0-1
8.1.2-1ubuntu1
8.1.2-1ubuntu2
8.1.2-1ubuntu2.1
8.1.2-1ubuntu2.2
8.1.2-1ubuntu2.3
8.1.2-1ubuntu2.4
8.1.2-1ubuntu2.5
8.1.2-1ubuntu2.6
8.1.2-1ubuntu2.8
8.1.2-1ubuntu2.9
8.1.2-1ubuntu2.10
8.1.2-1ubuntu2.11
8.1.2-1ubuntu2.13
8.1.2-1ubuntu2.14
8.1.2-1ubuntu2.15
8.1.2-1ubuntu2.17
8.1.2-1ubuntu2.18
8.1.2-1ubuntu2.19
8.1.2-1ubuntu2.20
8.1.2-1ubuntu2.21
8.1.2-1ubuntu2.22
8.1.2-1ubuntu2.23
8.1.2-1ubuntu2.24
8.1.2-1ubuntu2.25
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libapache2-mod-php7.4",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "libapache2-mod-php8.0",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "libapache2-mod-php8.1",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "libphp8.1-embed",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-bcmath",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-bz2",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-cgi",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-cli",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-common",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-curl",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-dba",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-enchant",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-fpm",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-gd",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-gmp",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-imap",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-interbase",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-intl",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-ldap",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-mbstring",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-mysql",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-odbc",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-opcache",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-pgsql",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-phpdbg",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-pspell",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-readline",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-snmp",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-soap",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-sqlite3",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-sybase",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-tidy",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-xml",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-xsl",
"binary_version": "8.1.2-1ubuntu2.26"
},
{
"binary_name": "php8.1-zip",
"binary_version": "8.1.2-1ubuntu2.26"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-7260",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-17543",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8743-1.json"
Ubuntu:24.04:LTS / php8.3
Package
- Name
- php8.3
- Purl
- pkg:deb/ubuntu/php8.3?arch=source&distro=noble
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.3.6-0ubuntu0.24.04.11
Affected versions
8.*
8.3.0-1
8.3.0-1ubuntu1
8.3.4-1
8.3.4-1build1
8.3.6-0maysync1
8.3.6-0ubuntu0.24.04.1
8.3.6-0ubuntu0.24.04.2
8.3.6-0ubuntu0.24.04.3
8.3.6-0ubuntu0.24.04.4
8.3.6-0ubuntu0.24.04.5
8.3.6-0ubuntu0.24.04.6
8.3.6-0ubuntu0.24.04.7
8.3.6-0ubuntu0.24.04.8
8.3.6-0ubuntu0.24.04.9
8.3.6-0ubuntu0.24.04.10
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libapache2-mod-php8.3",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "libphp8.3-embed",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-bcmath",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-bz2",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-cgi",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-cli",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-common",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-curl",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-dba",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-enchant",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-fpm",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-gd",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-gmp",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-imap",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-interbase",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-intl",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-ldap",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-mbstring",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-mysql",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-odbc",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-opcache",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-pgsql",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-phpdbg",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-pspell",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-readline",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-snmp",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-soap",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-sqlite3",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-sybase",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-tidy",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-xml",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-xsl",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
},
{
"binary_name": "php8.3-zip",
"binary_version": "8.3.6-0ubuntu0.24.04.11"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-7260",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-17543",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8743-1.json"
Ubuntu:26.04:LTS / php8.5
Package
- Name
- php8.5
- Purl
- pkg:deb/ubuntu/php8.5?arch=source&distro=resolute
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.5.4-0ubuntu1.3
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libapache2-mod-php8.5",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "libphp8.5-embed",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-bcmath",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-bz2",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-cgi",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-cli",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-common",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-curl",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-dba",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-enchant",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-fpm",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-gd",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-gmp",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-interbase",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-intl",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-ldap",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-litespeed",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-mbstring",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-mysql",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-odbc",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-pgsql",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-phpdbg",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-readline",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-snmp",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-soap",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-sqlite3",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-sybase",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-tidy",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-xml",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-xsl",
"binary_version": "8.5.4-0ubuntu1.3"
},
{
"binary_name": "php8.5-zip",
"binary_version": "8.5.4-0ubuntu1.3"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-7260",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-17543",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-17544",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8743-1.json"