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CVE-2026-58010 is an off-by-one flaw in GLib in the gvs_tuple_is_normal function within glib/gvariant-serialiser.c. During an alignment padding check, the bounds validation uses a greater-than comparison where a greater-than-or-equal check is required. This logic error permits a one-byte read past the end of the intended buffer. The resulting condition is a buffer over-read and out-of-bounds read limited to a single byte during processing of crafted GVariant-serialized data.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
26 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability referenced in an Oracle Linux ELSA advisory affecting glib2-related packages; no further technical details are provided in the content.
A specific vulnerability referenced in an AlmaLinux security advisory affecting glib2 packages; no further technical details are provided in the content.
A GLib buffer over-read vulnerability in glib/gvariant-serialiser.c via gvs_tuple_is_normal().
A vulnerability referenced in the Oracle Linux advisory for glib2 packages.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.