
CVE catalog
CVE-2023-40403
libxslt affected and fixed versions
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may disclose sensitive information.
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.33% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [
{
"name": "libxslt",
"status": "fixed",
"release": "sid",
"version": "1.1.45-0.1"
},
{
"name": "libxslt",
"status": "fixed",
"release": "forky",
"version": "1.1.45-0.1"
},
{
"name": "libxslt",
"status": "fixed",
"release": "trixie",
"version": "1.1.35-1.2+deb13u3"
},
{
"name": "libxslt",
"status": "fixed",
"release": "trixie-security",
"version": "1.1.35-1.2+deb13u2"
},
{
"name": "libxslt",
"status": "fixed",
"release": "bookworm",
"version": "1.1.35-1+deb12u4"
},
{
"name": "libxslt",
"status": "fixed",
"release": "bookworm-security",
"version": "1.1.35-1+deb12u3"
}
],
"fixed_versions": [
{
"bug": 1108074,
"name": "libxslt",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "unimportant",
"fixed_version": "1.1.35-2"
},
{
"bug": 1108074,
"name": "libxslt",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "unimportant",
"fixed_version": "1.1.35-2"
},
{
"bug": 1108074,
"name": "libxslt",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "1.1.35-1.2+deb13u1"
},
{
"bug": 1108074,
"name": "libxslt",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "1.1.35-1+deb12u2"
}
],
"distribution_packages": [
{
"name": "libxslt",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-4ubuntu0.20.04.3+esm1"
}
]
}
],
"release": "pro",
"versions": [
"1.1.33-0ubuntu1",
"1.1.33-0ubuntu2",
"1.1.33-0ubuntu3",
"1.1.34-1",
"1.1.34-1ubuntu1",
"1.1.34-3",
"1.1.34-4",
"1.1.34-4ubuntu0.20.04.1",
"1.1.34-4ubuntu0.20.04.2",
"1.1.34-4ubuntu0.20.04.3"
],
"ecosystem": "deb",
"fixed_version": "1.1.34-4ubuntu0.20.04.3+esm1",
"provider_record_id": "USN-7600-1"
},
{
"name": "libxslt",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-4ubuntu0.22.04.4"
}
]
}
],
"release": "22.04",
"versions": [
"1.1.34-4",
"1.1.34-4build1",
"1.1.34-4build2",
"1.1.34-4ubuntu0.22.04.1",
"1.1.34-4ubuntu0.22.04.2",
"1.1.34-4ubuntu0.22.04.3"
],
"ecosystem": "deb",
"fixed_version": "1.1.34-4ubuntu0.22.04.4",
"provider_record_id": "USN-7600-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.28-17.24.1"
}
]
}
],
"release": "linux enterprise server ltss extended security 12 sp5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.28-17.24.1",
"provider_record_id": "SUSE-SU-2026:2585-1"
},
{
"name": "libxslt",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-4ubuntu0.20.04.3+esm1"
}
]
}
],
"release": "pro",
"versions": [
"1.1.33-0ubuntu1",
"1.1.33-0ubuntu2",
"1.1.33-0ubuntu3",
"1.1.34-1",
"1.1.34-1ubuntu1",
"1.1.34-3",
"1.1.34-4",
"1.1.34-4ubuntu0.20.04.1",
"1.1.34-4ubuntu0.20.04.2",
"1.1.34-4ubuntu0.20.04.3"
],
"ecosystem": "deb",
"fixed_version": "1.1.34-4ubuntu0.20.04.3+esm1",
"provider_record_id": "UBUNTU-CVE-2023-40403"
},
{
"name": "libxslt",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-4ubuntu0.22.04.4"
}
]
}
],
"release": "22.04",
"versions": [
"1.1.34-4",
"1.1.34-4build1",
"1.1.34-4build2",
"1.1.34-4ubuntu0.22.04.1",
"1.1.34-4ubuntu0.22.04.2",
"1.1.34-4ubuntu0.22.04.3"
],
"ecosystem": "deb",
"fixed_version": "1.1.34-4ubuntu0.22.04.4",
"provider_record_id": "UBUNTU-CVE-2023-40403"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.38-slfo.1.1_2.1"
}
]
}
],
"release": "linux micro 6.1",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.38-slfo.1.1_2.1",
"provider_record_id": "SUSE-SU-2025:20277-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.38-4.1"
}
]
}
],
"release": "linux micro 6.0",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.38-4.1",
"provider_record_id": "SUSE-SU-2025:20201-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise micro 5.3",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise micro 5.4",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise micro 5.5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise module for basesystem 15 sp6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise module for package hub 15 sp6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise high performance computing 15 sp4-espos",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise high performance computing 15 sp4-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise high performance computing 15 sp5-espos",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise high performance computing 15 sp5-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise server 15 sp4-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise server 15 sp5-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise server for sap applications 15 sp4",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "linux enterprise server for sap applications 15 sp5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "manager proxy 4.3",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "manager server 4.3",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "opensuse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.34-150400.3.6.1"
}
]
}
],
"release": "leap 15.6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.34-150400.3.6.1",
"provider_record_id": "SUSE-SU-2025:1125-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "linux enterprise high performance computing 15 sp3-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "linux enterprise server 15 sp3-ltss",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "linux enterprise server for sap applications 15 sp3",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "linux enterprise micro 5.1",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "linux enterprise micro 5.2",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "enterprise storage 7.1",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
},
{
"name": "libxslt-python",
"distro": "opensuse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.32-150000.3.17.1"
}
]
}
],
"release": "leap 15.6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "1.1.32-150000.3.17.1",
"provider_record_id": "SUSE-SU-2025:1003-1"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libxslt1.1]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1+deb12u4· amd64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u4· arm64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· amd64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· arm64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
- [libxslt1-dev]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1+deb12u4· amd64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u4· arm64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· amd64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· arm64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
- [xsltproc]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1+deb12u4· amd64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u4· arm64 · bookwormFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· amd64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
1.1.35-1+deb12u3· arm64 · bookworm-securityFixed · Fixed:
1.1.35-1+deb12u2dsa · libxslt · debian · bookworm; dsa · libxslt · debian · 12
[Debian 13 (Trixie)]
- [libxslt1.1]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1.2+deb13u3· amd64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u3· arm64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· arm64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
- [libxslt1-dev]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1.2+deb13u3· amd64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u3· arm64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· arm64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
- [xsltproc]Unknown
Source package: [libxslt]
Details (4)
1.1.35-1.2+deb13u3· amd64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u3· arm64 · trixieFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
1.1.35-1.2+deb13u2· arm64 · trixie-securityFixed · Fixed:
1.1.35-1.2+deb13u1dsa · libxslt · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2026:25096]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2026_6266.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-40403]
- [https://osv.dev/vulnerability/DLA-4309-1]
- [https://osv.dev/vulnerability/DSA-5979-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:1003-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:1125-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:20201-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:20277-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:2585-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-40403]
- [https://osv.dev/vulnerability/USN-7600-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-40403]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2454.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]