1366 lines
61 KiB
JSON
1366 lines
61 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-2026-11774",
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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": "2026-06-09T11:57:25.581Z",
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"datePublished": "2026-06-11T17:54:34.539Z",
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"dateUpdated": "2026-11-04T21:51:07.635Z"
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},
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"containers": {
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"cna": {
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"title": "389-ds-base: 389-ds-base: integer overflow in sasl packet length bypasses size limit leading to heap buffer overflow",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Important",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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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": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.6,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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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:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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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": "An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), adding sizeof(uint32_t) to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer overflow of up to approximately 2 megabytes of attacker-controlled data. After a successful SASL bind with integrity protection (SSF > 0), a remote attacker can cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE). In FreeIPA and Red Hat Identity Management deployments, any domain user with a valid Kerberos ticket, enrolled host, or service account can trigger this vulnerability over the network. This flaw is independent of CVE-2025-14905, which patched schema.c only and did not modify sasl_io.c."
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}
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],
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"affected": [
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{
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"version": "0:3.2.0-8.el10_2",
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"cpe:/o:redhat:enterprise_linux:10.2"
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"vendor": "Red Hat",
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"packageName": "389-ds-base",
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"defaultStatus": "affected",
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{
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"version": "0:1.3.11.1-13.el7_9",
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}
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],
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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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"packageName": "389-ds:1.4",
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{
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"version": "8040020260629123121.96015a92",
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"references": [
|
|
{
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:36195",
|
|
"name": "RHSA-2026:36195",
|
|
"tags": [
|
|
"vendor-advisory",
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|
"x_refsource_REDHAT"
|
|
]
|
|
},
|
|
{
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|
"url": "https://access.redhat.com/errata/RHSA-2026:36196",
|
|
"name": "RHSA-2026:36196",
|
|
"tags": [
|
|
"vendor-advisory",
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|
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|
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|
{
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|
"url": "https://access.redhat.com/errata/RHSA-2026:36197",
|
|
"name": "RHSA-2026:36197",
|
|
"tags": [
|
|
"vendor-advisory",
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|
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|
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|
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|
{
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|
"url": "https://access.redhat.com/errata/RHSA-2026:36198",
|
|
"name": "RHSA-2026:36198",
|
|
"tags": [
|
|
"vendor-advisory",
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|
"x_refsource_REDHAT"
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|
]
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|
},
|
|
{
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|
"url": "https://access.redhat.com/errata/RHSA-2026:36200",
|
|
"name": "RHSA-2026:36200",
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
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|
]
|
|
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|
|
{
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