Buffer overflow in GNU Gnutls

CVE-2011-4128

Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption, allows remote TLS servers to cause a denial of service (application crash) via a large SessionTicket.

Vulnerability class: Buffer Overflow

EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.

Affected products

  • Gnu Gnutls — versions 2.12.0, 2.12.1, 2.12.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2011-4128?
CVE-2011-4128 is a vulnerability in GNU Gnutls, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2011-12-08.
Is CVE-2011-4128 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.