How severe is CVE-2023-29499?

CVE-2023-29499 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-29499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29499?

CVE-2023-29499 affects Gnome Glib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29499?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-29499 published?

CVE-2023-29499 was published on 2023-09-14 and last updated on 2026-06-17.

CVE-2023-29499

CVE-2023-29499 is a medium-severity vulnerability in Gnome Glib with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Gnome Glib
Published: 2023-09-14
Last modified: 2026-06-17

Description

A flaw was found in GLib. GVariant deserialization fails to validate that the input conforms to the expected format, leading to denial of service.

Frequently asked questions

What is CVE-2023-29499?: A flaw was found in GLib. GVariant deserialization fails to validate that the input conforms to the expected format, leading to denial of service.
How severe is CVE-2023-29499?: CVE-2023-29499 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-29499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29499?: CVE-2023-29499 affects Gnome Glib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-29499 published?: CVE-2023-29499 was published on 2023-09-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*

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