CVE-2015-7824

Publication date 10 April 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

botan 1.11.x before 1.11.22 makes it easier for remote attackers to decrypt TLS ciphertext data via a padding-oracle attack against TLS CBC ciphersuites.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
botan1.10	15.10 wily	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

How can I get the fixes?
What do statuses mean?

Notes

seth-arnold

"Introduced in 1.11.0, fixed in 1.11.22"

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	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

MITRE
NVD
Launchpad
Debian

Other references

http://botan.randombit.net/security.html
https://www.cve.org/CVERecord?id=CVE-2015-7824