307 lines
12 KiB
JSON
307 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-59847",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2026-07-07T15:40:24.561Z",
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"datePublished": "2026-07-21T13:18:18.146Z",
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"dateUpdated": "2026-09-01T20:01:21.481Z"
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},
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"containers": {
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"cna": {
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"title": "Libssh: libssh: integrity downgrade via openssl aes-gcm tag verification",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Moderate",
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
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"version": "3.1"
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},
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection."
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}
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],
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"affected": [
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 10",
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"packageName": "libssh",
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{
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"lessThan": "*",
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"versionType": "rpm",
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"cpe:/o:redhat:enterprise_linux:10.2"
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8",
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"packageName": "libssh",
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"version": "0:0.9.6-17.el8_10",
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"lessThan": "*",
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"status": "unaffected"
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"cpe:/a:redhat:enterprise_linux:8::appstream",
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "libssh",
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"defaultStatus": "affected",
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{
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:8::appstream",
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "libssh",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:0.10.4-19.el9_8",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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"cpe:/a:redhat:enterprise_linux:9::appstream",
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "libssh",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0:0.10.4-19.el9_8",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:9::appstream",
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{
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"vendor": "Red Hat",
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"product": "Red Hat Hardened Images",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "libssh-main",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "0.12.1-4.hum1",
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"lessThan": "*",
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"versionType": "rpm",
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"status": "unaffected"
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}
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],
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"cpes": [
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"cpe:/a:redhat:hummingbird:1"
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]
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:42922",
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"name": "RHSA-2026:42922",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:55855",
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"name": "RHSA-2026:55855",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:62217",
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"name": "RHSA-2026:62217",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:62218",
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"name": "RHSA-2026:62218",
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-59847",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498180",
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"name": "RHBZ#2498180",
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"tags": [
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"issue-tracking",
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}
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],
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"datePublic": "2026-07-21T13:02:11.381Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-253",
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"description": "Incorrect Check of Function Return Value",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"x_redhatCweChain": "CWE-253: Incorrect Check of Function Return Value",
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"workarounds": [
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{
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"lang": "en",
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"value": "Disable the aes128-gcm@openssh.com and aes256-gcm@openssh.com ciphers."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-04-29T10:03:47.442Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-07-21T13:02:11.381Z",
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"value": "Made public."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Red Hat would like to thank Ben Smyth for reporting this issue."
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}
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],
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-1310 Missing Ability to Patch ROM Code"
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}
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]
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}
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],
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"metrics": [
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{
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"id": "CVE-2026-59847",
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"options": [
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{
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{
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],
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"title": "CISA ADP Vulnrichment",
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} |