HighFix available
edk2, edk2-hwe and 2 more products — security advisory
Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the private key (with no associated certificate) configured locally, a NULL pointer dereference may occur when the remote peer solicits raw public keys and also sends the typically omitted "signature_algorithms_cert" TLS extension. Impact summary: The impact is limited to a possible Denial of Service as a result of an application abort, no data disclosure or remote command execution are possible. CWE: CWE-476: NULL Pointer Dereference Description: While a passing comment in sample code in the documentation suggests that key-only RPK configurations are supported, the best-practice RPK configuration is to always configure a corresponding certificate (possibly self-signed or signed by any convenient CA). When the private key is configured along with a matching certificate, the "signature_algorithms_cert" extension is handled reliably even without the fix, and peer clients or servers that don't support raw public keys may be able to complete a TLS connection by pinning or verifying the corresponding certificate or its public key. Deployments that prefer to configure just a private key with no certificate need to upgrade to an updated release as noted below. FIPS impact: no No FIPS modules are affected by this issue, as the SSL protocol implementation is outside the OpenSSL FIPS module boundary.
- Products
- edk2, edk2-hwe, nodejs, openssl
- Affected versions
- 0.10.25~dfsg2-2ubuntu1, 2025.02-8ubuntu3, 2025.11-3ubuntu6, 2025.11-3ubuntu7, 2025.11-3ubuntu7.2, 2025.11-3ubuntu7.3, 2025.11-3ubuntu8, 2025.11-3ubuntu8.2, 2025.11-3ubuntu9, 2026.05-2ubuntu1, 2026.05-2ubuntu2, 2026.05-2ubuntu3, 3.5.3-1ubuntu2, 3.5.5-1ubuntu1, 3.5.5-1ubuntu3, 3.5.5-1ubuntu3.2, 3.5.5-1ubuntu3.3, 4.2.2~dfsg-1, 4.2.3~dfsg-1, 4.2.4~dfsg-1ubuntu1, 4.2.4~dfsg-2, 4.2.6~dfsg-1ubuntu1, 4.2.6~dfsg-1ubuntu4, 4.2.6~dfsg-1ubuntu4.1, 4.2.6~dfsg-1ubuntu4.2, 4.2.6~dfsg-1ubuntu4.2+esm1, 4.2.6~dfsg-1ubuntu4.2+esm2, 4.2.6~dfsg-1ubuntu4.2+esm3, 6.11.4~dfsg-1ubuntu1, 6.11.4~dfsg-1ubuntu2, 6.12.0~dfsg-1ubuntu1, 6.12.0~dfsg-2ubuntu1, 6.12.0~dfsg-2ubuntu2, 8.10.0~dfsg-2, 8.10.0~dfsg-2ubuntu0.2, 8.10.0~dfsg-2ubuntu0.3, 8.10.0~dfsg-2ubuntu0.4, 8.10.0~dfsg-2ubuntu0.4+esm1, 8.10.0~dfsg-2ubuntu0.4+esm2, 8.10.0~dfsg-2ubuntu0.4+esm3, 8.10.0~dfsg-2ubuntu0.4+esm4, 8.10.0~dfsg-2ubuntu0.4+esm5, 8.10.0~dfsg-2ubuntu0.4+esm6
- Fixed versions
- 3.5.5-1ubuntu3.4
- CVEs
- CVE-2026-14457
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:02 UTC · Revision 1
Source evidence
Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the private key (with no associated certificate) configured locally, a NULL pointer dereference may occur when the remote peer solicits raw public keys and also sends the typically omitted "signature_algorithms_cert" TLS extension. Impact summary: The impact is limited to a possible Denial of Service as a result of an application abort, no data disclosure or remote command execution are possible. CWE: CWE-476: NULL Pointer Dereference Description: While a passing comment in sample code in the documentation suggests that key-only RPK configurations are supported, the best-practice RPK configuration is to always configure a corresponding certificate (possibly self-signed or signed by any convenient CA). When the private key is configured along with a matching certificate, the "signature_algorithms_cert" extension is handled reliably even without the fix, and peer clients or servers that don't support raw public keys may be able to complete a TLS connection by pinning or verifying the corresponding certificate or its public key. Deployments that prefer to configure just a private key with no certificate need to upgrade to an updated release as noted below. FIPS impact: no No FIPS modules are affected by this issue, as the SSL protocol implementation is outside the OpenSSL FIPS module boundary.
osv:UBUNTU-CVE-2026-14457
nodejs
Fixed versions: Not specified
nodejs
Fixed versions: Not specified
edk2
Fixed versions: Not specified
edk2-hwe
Fixed versions: Not specified
edk2
Fixed versions: Not specified
edk2-hwe
Fixed versions: Not specified
openssl
Fixed versions: 3.5.5-1ubuntu3.4
Complete source record
{
"id": "9ba49f9971bffa72a7507c9f163252f8dba91eec94d83d5e201db7aa149e6dd2",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-14457",
"method": "structured",
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"title": "UBUNTU-CVE-2026-14457",
"summary": "Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the private key (with no associated certificate) configured locally, a NULL pointer dereference may occur when the remote peer solicits raw public keys and also sends the typically omitted \"signature_algorithms_cert\" TLS extension. Impact summary: The impact is limited to a possible Denial of Service as a result of an application abort, no data disclosure or remote command execution are possible. CWE: CWE-476: NULL Pointer Dereference Description: While a passing comment in sample code in the documentation suggests that key-only RPK configurations are supported, the best-practice RPK configuration is to always configure a corresponding certificate (possibly self-signed or signed by any convenient CA). When the private key is configured along with a matching certificate, the \"signature_algorithms_cert\" extension is handled reliably even without the fix, and peer clients or servers that don't support raw public keys may be able to complete a TLS connection by pinning or verifying the corresponding certificate or its public key. Deployments that prefer to configure just a private key with no certificate need to upgrade to an updated release as noted below. FIPS impact: no No FIPS modules are affected by this issue, as the SSL protocol implementation is outside the OpenSSL FIPS module boundary.",
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},
{
"binary_name": "efi-shell-riscv64-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "efi-shell-x64-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "ovmf-amdsev-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "ovmf-generic-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "ovmf-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "ovmf-inteltdx-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "ovmf-legacy-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "qemu-efi-aarch64-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "qemu-efi-loongarch64-hwe",
"binary_version": "2025.11-3ubuntu8.2"
},
{
"binary_name": "qemu-efi-riscv64-hwe",
"binary_version": "2025.11-3ubuntu8.2"
}
],
"priority_reason": "OpenSSL developers have rated this low severity"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.5-1ubuntu3.4"
}
]
}
],
"package": {
"name": "openssl",
"purl": "pkg:deb/ubuntu/openssl?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"3.5.3-1ubuntu2",
"3.5.5-1ubuntu1",
"3.5.5-1ubuntu3",
"3.5.5-1ubuntu3.2",
"3.5.5-1ubuntu3.3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-14457.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libssl3t64",
"binary_version": "3.5.5-1ubuntu3.4"
},
{
"binary_name": "openssl",
"binary_version": "3.5.5-1ubuntu3.4"
},
{
"binary_name": "openssl-provider-legacy",
"binary_version": "3.5.5-1ubuntu3.4"
}
],
"availability": "No subscription required",
"priority_reason": "OpenSSL developers have rated this low severity"
}
}
],
"modified": "2026-10-17T12:58:05.485416818Z",
"provider": "osv",
"upstream": [
"CVE-2026-14457"
],
"references": [
"https://ubuntu.com/security/CVE-2026-14457",
"https://www.cve.org/CVERecord?id=CVE-2026-14457",
"https://openssl-library.org/news/secadv/20260825.txt",
"https://ubuntu.com/security/notices/USN-8678-1"
]
},
"related_cves": [
{
"value": "CVE-2026-14457",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 358024,
"published_at": "2026-08-25T00:00:00+00:00"
}