How severe is CVE-2024-52530?

CVE-2024-52530 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-52530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-52530?

CVE-2024-52530 affects Gnome Libsoup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-52530?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-52530 have an EU (EUVD) identifier?

Yes. CVE-2024-52530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45940.

When was CVE-2024-52530 published?

CVE-2024-52530 was published on 2024-11-11 and last updated on 2026-06-17.

CVE-2024-52530

CVE-2024-52530 is a high-severity vulnerability in Gnome Libsoup with a CVSS 3.x base score of 7.5. 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-444.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-45940
Weakness: CWE-444
Affected product: Gnome Libsoup
Published: 2024-11-11
Last modified: 2026-06-17

Description

GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\0' characters at the end of header names are ignored, i.e., a "Transfer-Encoding\0: chunked" header is treated the same as a "Transfer-Encoding: chunked" header.

Frequently asked questions

What is CVE-2024-52530?: GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\0' characters at the end of header names are ignored, i.e., a "Transfer-Encoding\0: chunked" header is treated the same as a "Transfer-Encoding: chunked" header.
How severe is CVE-2024-52530?: CVE-2024-52530 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-52530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-52530?: CVE-2024-52530 affects Gnome Libsoup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-52530?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-52530 have an EU (EUVD) identifier?: Yes. CVE-2024-52530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45940.
When was CVE-2024-52530 published?: CVE-2024-52530 was published on 2024-11-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*

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