CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
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.
Засегнати продукти
- Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8: от 8060020260702180044.0ca98e7e нататък
- Red Hat Red Hat Directory Server 11.7 E4S for RHEL 8: от 8080020260702180836.f969626e нататък
- Red Hat Red Hat Directory Server 11.9 for RHEL 8: от 8100020260702145313.37ed7c03 нататък
- Red Hat Red Hat Directory Server 12.2 E4S for RHEL 9: от 9020020260703060155.1674d574 нататък
- Red Hat Red Hat Directory Server 12.4 E4S for RHEL 9: от 9040020260703055735.1674d574 нататък
- Red Hat Red Hat Enterprise Linux 10: от 0:3.2.0-8.el10_2 нататък
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support: от 0:3.0.6-19.el10_0 нататък
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support: от 0:1.3.11.1-13.el7_9 нататък
- Red Hat Red Hat Enterprise Linux 8: от 8100020260626120929.25e700aa нататък
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: от 8040020260629123121.96015a92 нататък
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: от 8040020260629123121.96015a92 нататък
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: от 8060020260626130540.824efc52 нататък
- Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On: от 8060020260626130540.824efc52 нататък
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service: от 8080020260630025241.6dbb3803 нататък
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions: от 8080020260630025241.6dbb3803 нататък
- Red Hat Red Hat Enterprise Linux 9: от 0:2.8.0-8.el9_8 нататък
- Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions: от 0:2.2.4-19.el9_2 нататък
- Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions: от 0:2.4.5-26.el9_4 нататък
- Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support: от 0:2.6.1-22.el9_6 нататък
- Red Hat Red Hat Directory Server 13.2: от 1783452100 нататък
- Red Hat Red Hat Directory Server 12
- Red Hat Red Hat Directory Server 13
- Red Hat Red Hat Enterprise Linux 6
Вид слабост
История
- 11 юни 2026 Публикувано
Други уязвимости в Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-11774
- https://nvd.nist.gov/vuln/detail/CVE-2026-11774
- https://access.redhat.com/errata/RHSA-2026:36195
- https://access.redhat.com/errata/RHSA-2026:36196
- https://access.redhat.com/errata/RHSA-2026:36197
- https://access.redhat.com/errata/RHSA-2026:36198
- https://access.redhat.com/errata/RHSA-2026:36200
- https://access.redhat.com/errata/RHSA-2026:36201
- https://access.redhat.com/errata/RHSA-2026:36202
- https://access.redhat.com/errata/RHSA-2026:36204
- https://access.redhat.com/errata/RHSA-2026:36205
- https://access.redhat.com/errata/RHSA-2026:36206
- https://access.redhat.com/errata/RHSA-2026:36208
- https://access.redhat.com/errata/RHSA-2026:36209
- https://access.redhat.com/errata/RHSA-2026:36585
- https://access.redhat.com/errata/RHSA-2026:36641
- https://access.redhat.com/errata/RHSA-2026:36660
- https://access.redhat.com/errata/RHSA-2026:36670
- https://access.redhat.com/errata/RHSA-2026:36671
- https://access.redhat.com/security/cve/CVE-2026-11774
- https://bugzilla.redhat.com/show_bug.cgi?id=2484916
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-11774.json