327 lines
14 KiB
JSON
327 lines
14 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-2026-85498",
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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": "2026-09-04T00:34:12.851Z",
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"datePublished": "2026-10-29T09:02:35.845Z",
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"dateUpdated": "2026-11-06T19:46:43.550Z"
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},
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"containers": {
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"cna": {
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"title": "Polkit: regression in cve-2026-4897 fix (polkit read_cookie()) - stack buffer underflow",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Low",
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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": "LOW",
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"attackVector": "ADJACENT_NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 3.5,
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"baseSeverity": "LOW",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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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 polkit. When processing input that begins with a null byte, an arithmetic error in the authentication agent helper causes an integer underflow during buffer length calculation, resulting in an out-of-bounds memory read. An attacker capable of supplying crafted input can trigger this flaw, potentially causing an application crash and resulting in a Denial of Service (DoS)."
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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 Hardened Images",
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"collectionURL": "https://catalog.redhat.com/software/containers/",
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"packageName": "polkit-main",
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"defaultStatus": "affected",
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"versions": [
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{
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"version": "127-5.1.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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"cpes": [
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"cpe:/a:redhat:hummingbird:1"
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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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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:10"
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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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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-pkla-compat",
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"defaultStatus": "affected",
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"cpe:/a:redhat:enterprise_linux:10"
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 6",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:6"
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{
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"product": "Red Hat Enterprise Linux 6",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-gnome",
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit",
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"cpe:/o:redhat:rhel_els:7"
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-kde",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:7"
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]
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-pkla-compat",
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"defaultStatus": "affected",
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-qt",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:7"
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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": "polkit",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:8"
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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 8",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "polkit-pkla-compat",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:8"
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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": "polkit",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:9"
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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": "polkit-pkla-compat",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:9"
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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 OpenShift Container Platform 4",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "openshift/ose-rhel-coreos-8",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:openshift:4"
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 5",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "openshift/ose-rhel-coreos-9",
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"cpe:/a:redhat:openshift:5"
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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-2026:66287",
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"name": "RHSA-2026:66287",
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"tags": [
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"vendor-advisory",
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528347",
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"name": "RHBZ#2528347",
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"datePublic": "2026-09-04T00:00:00.000Z",
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"problemTypes": [
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"descriptions": [
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"cweId": "CWE-125",
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"x_redhatCweChain": "CWE-125: Out-of-bounds Read",
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"workarounds": [
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{
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"lang": "en",
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"value": "Mitigation for this issue is either not available or the currently available options do not meet the criteria for a mitigation as defined by the Red Hat Product Security team. This flaw remains subject to future review as new information becomes available. Exposure is limited: the defect is reachable only by a local/adjacent low-privileged user interacting with the polkit authentication agent and results at most in a crash (availability) of the affected process."
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}
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"timeline": [
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"lang": "en",
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"time": "2026-09-04T00:40:47.865Z",
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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 Juthawong Naisanguansee for reporting this issue."
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"role": "CISA Coordinator",
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"options": [
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