جزئیات آسیبپذیری
CVE-2026-11610
389-ds-base: 389-ds-base: heap buffer overflow in sasl_io_recv() via padded sasl unbind
شرح رسمی (انگلیسی)
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). After a successful SASL bind with integrity protection (SSF > 0), an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer without a bounds check in sasl_io_recv() in sasl_io.c. This allows up to approximately 2 megabytes of attacker-controlled data to overflow the buffer, causing a denial of service (server crash). In FreeIPA and Red Hat Identity Management deployments, any domain user with a valid Kerberos ticket, any enrolled host, or any service account can trigger this vulnerability over the network after authenticating via GSSAPI. The vulnerable code path has existed since approximately 2013 (389-ds-base 1.3.2) and was not addressed by the CVE-2025-14905 fix, which patched a separate heap overflow in schema.c only.
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 8.8بالا | 3.1 | CVEProject cvelistV5 (CNA) (redhat) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
محصولات آسیبپذیر
| فروشنده | محصول | نسخهها | منبع |
|---|---|---|---|
| 389ds | 389-ds-base | 1.3.2 ≤ v ≤ 3.3.0 | CVEProject cvelistV5 (CNA) |
| Red Hat | Red Hat Directory Server 12 | همه | CVEProject cvelistV5 (CNA) |
| Red Hat | Red Hat Enterprise Linux 6 | همه | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۱۹- https://access.redhat.com/errata/RHSA-2026:36195 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36196 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36197 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36198 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36200 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36201 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36202 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36204 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36205 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36206 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36208 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36209 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36585 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36641 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36660 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36670 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:36671 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-11610 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2484414 issue-trackingx_refsource_REDHAT
اطلاعات
- تاریخ انتشار
- ۱۴۰۵/۰۴/۱۶
- آخرین بهروزرسانی
- ۱۴۰۵/۰۸/۱۴
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- redhat
پیشبینی بهرهبرداری (EPSS)
ارزیابی SSVC (CISA)
- قابل خودکارسازی
- خیر
- وضعیت بهرهبرداری
- ندارد
- اثر فنی
- کامل
ضعفها (CWE)
- CWE-122Heap-based Buffer Overflow