How severe is CVE-2017-7507?

CVE-2017-7507 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 none, and availability high.

Is CVE-2017-7507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7507?

CVE-2017-7507 affects Gnu Gnutls. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7507?

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.

When was CVE-2017-7507 published?

CVE-2017-7507 was published on 2017-06-16 and last updated on 2026-06-17.

CVE-2017-7507

CVE-2017-7507 is a high-severity vulnerability in Gnu Gnutls 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gnu Gnutls
Published: 2017-06-16
Last modified: 2026-06-17

Description

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Frequently asked questions

What is CVE-2017-7507?: GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.
How severe is CVE-2017-7507?: CVE-2017-7507 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 none, and availability high.
Is CVE-2017-7507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7507?: CVE-2017-7507 affects Gnu Gnutls. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7507?: 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.
When was CVE-2017-7507 published?: CVE-2017-7507 was published on 2017-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

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