CVE-2017-5335

Publication date 11 January 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gnutls26	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 2.12.23-12ubuntu2.6
	12.04 LTS precise	Fixed 2.12.14-5ubuntu3.13
gnutls28	19.04 disco	Fixed 3.5.6-4ubuntu3
	18.10 cosmic	Fixed 3.5.6-4ubuntu3
	18.04 LTS bionic	Fixed 3.5.6-4ubuntu3
	17.10 artful	Fixed 3.5.6-4ubuntu3
	17.04 zesty	Fixed 3.5.6-4ubuntu3
	16.10 yakkety	Fixed 3.5.3-5ubuntu1.1
	16.04 LTS xenial	Fixed 3.4.10-4ubuntu1.2
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

reproducer https://gitlab.com/gnutls/gnutls/commit/65ee81db857d3b44cec76aa94361abe5427430d8

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gnutls28	Upstream: 49be4f7 Upstream: 61009ee Upstream: 785af1a

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3183-1
GnuTLS vulnerabilities
1 February 2017