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389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()

🗓️ 08 Sep 2026 04:08:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Heap buffer overflow in 389-ds-base SASL I/O via wrapped-record length underflow causing DoS or RCE.

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ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-18355
7 Sep 202614:14
cve
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64389-ds-base3.0.6-21.el10_0389-ds-base-3.0.6-21.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64le389-ds-base3.0.6-21.el10_0389-ds-base-3.0.6-21.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390x389-ds-base3.0.6-21.el10_0389-ds-base-3.0.6-21.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64389-ds-base3.0.6-21.el10_0389-ds-base-3.0.6-21.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64389-ds-base-bdb3.0.6-21.el10_0389-ds-base-bdb-3.0.6-21.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64le389-ds-base-bdb3.0.6-21.el10_0389-ds-base-bdb-3.0.6-21.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390x389-ds-base-bdb3.0.6-21.el10_0389-ds-base-bdb-3.0.6-21.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64389-ds-base-bdb3.0.6-21.el10_0389-ds-base-bdb-3.0.6-21.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64389-ds-base-bdb-debuginfo3.0.6-21.el10_0389-ds-base-bdb-debuginfo-3.0.6-21.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64le389-ds-base-bdb-debuginfo3.0.6-21.el10_0389-ds-base-bdb-debuginfo-3.0.6-21.el10_0.ppc64le.rpm
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08 Sep 2026 06:24Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.5
2