Cyber Resilience

CVE-2026-58010

MediumPublic PoC

Published: 30 June 2026

Published
30 June 2026
Modified
02 July 2026
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS Score 0.0032 24.1th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-58010 is a medium-severity Buffer Over-read (CWE-126) vulnerability in Redhat Enterprise Linux. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 24.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)
CWE-126

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · MITRE ATT&CK Enterprise v19.0

Affected Assets

gnome
glib
2.88.0 · ≤ 2.86.5
redhat
enterprise linux
10.0, 6.0, 7.0, 8.0, 9.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References