openssl vulnerabilities
It was discovered that OpenSSL incorrectly handled certain certificate revocation list distribution point names. An attacker could possibly use this issue to cause OpenSSL to consume excessive memory, resulting in a denial of service. (CVE-2026-35189) It was discovered that OpenSSL incorrectly handled QUIC unvalidated amplification credit accounting. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-35191) It was discovered that OpenSSL incorrectly implemented scalar multiplication for non-NIST elliptic curves. An attacker could possibly use this issue to perform a timing side-channel attack and obtain sensitive information. (CVE-2026-54872) It was discovered that OpenSSL incorrectly implemented SM2 scalar multiplication on ARM64 and RISC-V architectures. An attacker could possibly use this issue to perform a timing side-channel attack and obtain sensitive information. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-54875) It was discovered that OpenSSL incorrectly handled SSL context switching during a TLS handshake. An attacker could possibly use this issue to cause an out-of-bounds read, resulting in a denial of service or obtaining sensitive information. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-72897) It was discovered that OpenSSL incorrectly enforced QUIC connection- level flow control for streams. An attacker could possibly use this issue to cause OpenSSL to consume excessive me
USN-8847-1
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:USN-8847-1
openssl
Source reference: /affected/0/package/name
- Affected versions
- 1.1.1l-1ubuntu1
Source reference:
/affected/0/versions3.0.0-1ubuntu1Source reference:
/affected/0/versions3.0.1-0ubuntu1Source reference:
/affected/0/versions3.0.2-0ubuntu1Source reference:
/affected/0/versions3.0.2-0ubuntu1.1Source reference:
/affected/0/versions3.0.2-0ubuntu1.2Source reference:
/affected/0/versions3.0.2-0ubuntu1.4Source reference:
/affected/0/versions3.0.2-0ubuntu1.5Source reference:
/affected/0/versions3.0.2-0ubuntu1.6Source reference:
/affected/0/versions3.0.2-0ubuntu1.7Source reference:
/affected/0/versions3.0.2-0ubuntu1.8Source reference:
/affected/0/versions3.0.2-0ubuntu1.9Source reference:
/affected/0/versions3.0.2-0ubuntu1.10Source reference:
/affected/0/versions3.0.2-0ubuntu1.12Source reference:
/affected/0/versions3.0.2-0ubuntu1.13Source reference:
/affected/0/versions3.0.2-0ubuntu1.14Source reference:
/affected/0/versions3.0.2-0ubuntu1.15Source reference:
/affected/0/versions3.0.2-0ubuntu1.16Source reference:
/affected/0/versions3.0.2-0ubuntu1.17Source reference:
/affected/0/versions3.0.2-0ubuntu1.18Source reference:
/affected/0/versions3.0.2-0ubuntu1.19Source reference:
/affected/0/versions3.0.2-0ubuntu1.20Source reference:
/affected/0/versions3.0.2-0ubuntu1.21Source reference:
/affected/0/versions3.0.2-0ubuntu1.23Source reference:
/affected/0/versions3.0.2-0ubuntu1.25Source reference:
/affected/0/versions3.0.2-0ubuntu1.26Source reference:
/affected/0/versions3.0.2-0ubuntu1.29Source reference:
/affected/0/versions - Fixed versions
- 3.0.2-0ubuntu1.30
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
openssl
Source reference: /affected/1/package/name
- Affected versions
- 3.0.10-1ubuntu2
Source reference:
/affected/1/versions3.0.10-1ubuntu2.1Source reference:
/affected/1/versions3.0.10-1ubuntu3Source reference:
/affected/1/versions3.0.10-1ubuntu4Source reference:
/affected/1/versions3.0.13-0ubuntu2Source reference:
/affected/1/versions3.0.13-0ubuntu3Source reference:
/affected/1/versions3.0.13-0ubuntu3.1Source reference:
/affected/1/versions3.0.13-0ubuntu3.2Source reference:
/affected/1/versions3.0.13-0ubuntu3.3Source reference:
/affected/1/versions3.0.13-0ubuntu3.4Source reference:
/affected/1/versions3.0.13-0ubuntu3.5Source reference:
/affected/1/versions3.0.13-0ubuntu3.6Source reference:
/affected/1/versions3.0.13-0ubuntu3.7Source reference:
/affected/1/versions3.0.13-0ubuntu3.9Source reference:
/affected/1/versions3.0.13-0ubuntu3.11Source reference:
/affected/1/versions3.0.13-0ubuntu3.12Source reference:
/affected/1/versions3.0.13-0ubuntu3.15Source reference:
/affected/1/versions - Fixed versions
- 3.0.13-0ubuntu3.16
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
openssl
Source reference: /affected/2/package/name
- Affected versions
- 3.5.3-1ubuntu2
Source reference:
/affected/2/versions3.5.5-1ubuntu1Source reference:
/affected/2/versions3.5.5-1ubuntu3Source reference:
/affected/2/versions3.5.5-1ubuntu3.2Source reference:
/affected/2/versions3.5.5-1ubuntu3.3Source reference:
/affected/2/versions3.5.5-1ubuntu3.4Source reference:
/affected/2/versions3.5.5-1ubuntu3.5Source reference:
/affected/2/versions - Fixed versions
- 3.5.5-1ubuntu3.6
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.2-0ubuntu1.30"
}
]
}
],
"package": {
"name": "openssl",
"purl": "pkg:deb/ubuntu/openssl?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.1.1l-1ubuntu1",
"3.0.0-1ubuntu1",
"3.0.1-0ubuntu1",
"3.0.2-0ubuntu1",
"3.0.2-0ubuntu1.1",
"3.0.2-0ubuntu1.2",
"3.0.2-0ubuntu1.4",
"3.0.2-0ubuntu1.5",
"3.0.2-0ubuntu1.6",
"3.0.2-0ubuntu1.7",
"3.0.2-0ubuntu1.8",
"3.0.2-0ubuntu1.9",
"3.0.2-0ubuntu1.10",
"3.0.2-0ubuntu1.12",
"3.0.2-0ubuntu1.13",
"3.0.2-0ubuntu1.14",
"3.0.2-0ubuntu1.15",
"3.0.2-0ubuntu1.16",
"3.0.2-0ubuntu1.17",
"3.0.2-0ubuntu1.18",
"3.0.2-0ubuntu1.19",
"3.0.2-0ubuntu1.20",
"3.0.2-0ubuntu1.21",
"3.0.2-0ubuntu1.23",
"3.0.2-0ubuntu1.25",
"3.0.2-0ubuntu1.26",
"3.0.2-0ubuntu1.29"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8847-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-35189",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-54872",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75805",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75806",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-77696",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-84782",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libssl3",
"binary_version": "3.0.2-0ubuntu1.30"
},
{
"binary_name": "openssl",
"binary_version": "3.0.2-0ubuntu1.30"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.13-0ubuntu3.16"
}
]
}
],
"package": {
"name": "openssl",
"purl": "pkg:deb/ubuntu/openssl?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"3.0.10-1ubuntu2",
"3.0.10-1ubuntu2.1",
"3.0.10-1ubuntu3",
"3.0.10-1ubuntu4",
"3.0.13-0ubuntu2",
"3.0.13-0ubuntu3",
"3.0.13-0ubuntu3.1",
"3.0.13-0ubuntu3.2",
"3.0.13-0ubuntu3.3",
"3.0.13-0ubuntu3.4",
"3.0.13-0ubuntu3.5",
"3.0.13-0ubuntu3.6",
"3.0.13-0ubuntu3.7",
"3.0.13-0ubuntu3.9",
"3.0.13-0ubuntu3.11",
"3.0.13-0ubuntu3.12",
"3.0.13-0ubuntu3.15"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8847-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-35189",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-54872",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75805",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75806",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-77696",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-84782",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libssl3t64",
"binary_version": "3.0.13-0ubuntu3.16"
},
{
"binary_name": "openssl",
"binary_version": "3.0.13-0ubuntu3.16"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.5-1ubuntu3.6"
}
]
}
],
"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",
"3.5.5-1ubuntu3.4",
"3.5.5-1ubuntu3.5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8847-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-35189",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-35191",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-54872",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-54875",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-72897",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75804",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75805",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-75806",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-77696",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-84782",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-84784",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libssl3t64",
"binary_version": "3.5.5-1ubuntu3.6"
},
{
"binary_name": "openssl",
"binary_version": "3.5.5-1ubuntu3.6"
},
{
"binary_name": "openssl-provider-legacy",
"binary_version": "3.5.5-1ubuntu3.6"
}
],
"availability": "No subscription required"
}
}
]- Related CVEs
- CVE-2026-35189
Source reference:
/upstreamCVE-2026-35191Source reference:
/upstreamCVE-2026-54872Source reference:
/upstreamCVE-2026-54875Source reference:
/upstreamCVE-2026-72897Source reference:
/upstreamCVE-2026-75804Source reference:
/upstreamCVE-2026-75805Source reference:
/upstreamCVE-2026-75806Source reference:
/upstreamCVE-2026-77696Source reference:
/upstreamCVE-2026-84782Source reference:
/upstreamCVE-2026-84784Source reference:
/upstream
Publisher severity
No explicit severity was provided.
- Event
- #68027 · Revision 1
- Added to Heist Feed
- Publisher date