CVE-2026-68744
Low · 3.3CVSS
3.3
EPSS
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Published
Aug 4, 2026
CISA due date
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The record
A flaw was found in SSSD. The sss_nss_protocol_fill_initgr() function in the NSS responder pre-allocates reply space for all group entries but does not shrink the packet when groups are skipped, causing uninitialized heap bytes to be transmitted to the client. A local attacker can exploit this to disclose cached directory data and heap layout information from the sssd_nss process.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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