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CVE-2026-58010

Published: July 1, 2026Last modified: July 8, 2026

Description

A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses > instead of >=, causing an out-of-bounds read of only 1 byte. This issue can cause a minor information disclosure of 1 byte and a denial of service when the out-of-bounds read crosses a page boundary.

Severity score breakdown

ParameterValue
Base score8.2
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityLOW
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSglibUnknown (2.74.1-r2)
25 LTSglibUnknown (2.84.2-r0)
StreamglibFixed (2.88.2-r0)

References

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