Out-of-bounds Read in Gnu Gnutls

CVE-2017-5335

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service (out-of-memory error and crash) via a crafted OpenPGP certificate.

Vulnerability class: Buffer Overflow

EPSS: 0.028 (86.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5335?
CVE-2017-5335 is a high-severity vulnerability in Gnu Gnutls, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-03-24.
How severe is CVE-2017-5335?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-5335 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.