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CVE-2026-58014 is an off-by-one flaw in GLib in the g_key_file_get_locale_string_list function implemented in gkeyfile.c. When GLib loads and parses a key file containing an empty value, the function can perform a one-byte out-of-bounds access. The bug is triggered during processing of locale string lists from key file data and results from incorrect boundary handling for the empty-value case.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
19 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. It is the CVSS score source in the advisory, and the content states exploits are available.
A specific vulnerability referenced in an AlmaLinux security advisory affecting glib2 packages; it is used as the CVSS score source in the content.
A GLib off-by-one vulnerability in glib/gkeyfile.c via g_key_file_get_locale_string_list.
A vulnerability affecting Oracle Linux 9 glib2 packages, referenced as the CVSS score source in this Oracle Linux security advisory.
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.