CVE-2015-8313

Publication date 30 November 2015

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

GnuTLS incorrectly validates the first byte of padding in CBC modes

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gnutls26	15.10 wily	Not in release
	15.04 vivid	Not in release
	14.04 LTS trusty	Fixed 2.12.23-12ubuntu2.3
	12.04 LTS precise	Fixed 2.12.14-5ubuntu3.10
gnutls28	15.10 wily	Not affected
	15.04 vivid	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	5.9 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Other references

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