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BDU:2026-06233

Published: May 4, 2026Updated: May 4, 2026 Sources: BDUCWE-121Переполнение буфера в стеке
NVD MITRE
5.8CVSSMEDIUM
EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Уязвимость функции uccanoncompatdecomp() компонента ucdata.c сетевого протокола аутентификации Kerberos связана с переполнением буфера на стеке. Эксплуатация уязвимости может позволить нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

CVSS Vector Breakdown

AV:LAC:HC:LI:LA:H
Exploitability
AV:LAccess Vector
Local
AC:HAccess Complexity
High
Impact
C:LConfidentiality
L
I:LIntegrity
L
A:HAvailability
H
Open in CVSS calculator →

Weaknesses

CWE-121Переполнение буфера в стеке

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
KerberosMIT
On-prem
Security Products / pki-crypto
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
mitoss-projectUSOperating Systemsaka mit krb5, mit kerberos

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/krb5/krb5/commit/5c52ab2252953055e64d9b9855ad64b27eda060e
github.com
https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0923SE17
wiki.astralinux.ru
https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0411SE18
wiki.astralinux.ru
and 1 more references View all →
News mentions
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