CVE-2017-5337

9.8 CRITICAL 6% exploit odds Fix listed Memory safety

What it is

Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 6.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2017-03-24 15:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:20 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 6.2% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2017-03-24 15:59 UTC
Last modified: 2026-06-17 01:20 UTC
Exploit probability: 6.2% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Opensuse Leap 42.1
Opensuse Leap 42.2
Gnu Gnutls ≤ 3.3.25
Gnu Gnutls 3.5.0
Gnu Gnutls 3.5.1
Gnu Gnutls 3.5.2
Gnu Gnutls 3.5.3
Gnu Gnutls 3.5.4

Attack profile CVSS 3.0 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Fix and advisories

References

NVD record · CVE.org record