152 lines
6.5 KiB
JSON
152 lines
6.5 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-2026-61548",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-07-10T16:27:03.094Z",
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"datePublished": "2026-09-18T16:54:28.925Z",
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"dateUpdated": "2026-09-21T20:49:39.195Z"
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},
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"containers": {
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"cna": {
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"title": "Rsyslog: mmpstrucdata stack buffer overflow with oversized RFC5424 structured data",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-121",
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"lang": "en",
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"description": "CWE-121: Stack-based Buffer Overflow",
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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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"metrics": [
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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": "HIGH",
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"baseScore": 8.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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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:H/I:H/A:H",
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"version": "3.1"
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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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"name": "https://github.com/rsyslog/rsyslog/security/advisories/GHSA-8qmr-c66f-g368",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/rsyslog/rsyslog/security/advisories/GHSA-8qmr-c66f-g368"
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},
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{
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"name": "https://github.com/rsyslog/rsyslog/pull/6991",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rsyslog/rsyslog/pull/6991"
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},
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{
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"name": "https://github.com/rsyslog/rsyslog/commit/bcda60a3692efdf0c8e44102528f5a0ebe0dec6d",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rsyslog/rsyslog/commit/bcda60a3692efdf0c8e44102528f5a0ebe0dec6d"
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},
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{
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"name": "https://github.com/rsyslog/rsyslog/releases/tag/v8.2606.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rsyslog/rsyslog/releases/tag/v8.2606.0"
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}
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],
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"affected": [
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{
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"vendor": "rsyslog",
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"product": "rsyslog",
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"versions": [
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{
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"version": ">= 7.5.4, < 8.2606.0",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-18T16:54:28.925Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0."
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}
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],
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"source": {
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"advisory": "GHSA-8qmr-c66f-g368",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/07/20/1"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-09-18T17:11:33.491Z"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-18T19:24:39.206415Z",
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"id": "CVE-2026-61548",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-21T20:49:39.195Z"
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}
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}
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]
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}
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} |