Out-of-Bounds Affecting container-tools:rhel8/fuse-overlayfs package, versions <0:1.13-1.module_el8.10.0+4047+545787c4


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.62% (47th percentile)

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  • Snyk IDSNYK-ALMALINUX8-CONTAINERTOOLS-17890054
  • published8 Jul 2026
  • disclosed7 Jul 2026

Introduced: 7 Jul 2026

CVE-2026-39830  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 container-tools:rhel8/fuse-overlayfs to version 0:1.13-1.module_el8.10.0+4047+545787c4 or higher.
This issue was patched in ALSA-2026:35833.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/fuse-overlayfs package and not the container-tools:rhel8/fuse-overlayfs package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

References

CVSS Base Scores

version 3.1