CVE-2026-59844

Summary

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.

Affected Software

Weaknesses

• CWE-789: Memory Allocation with Excessive Size Value

Workarounds

No workaround available.

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://access.redhat.com/security/cve/CVE-2026-59844
• https://bugzilla.redhat.com/show_bug.cgi?id=2498177

• ←Previous
• Next→