CVE catalog

CVE-2015-7827

Security update for Botan

Severity: High · CVSS 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: May 13, 2016, 2:59:00 PM UTC
Updated: Apr 22, 2026, 10:19:42 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.44% · Oct 25, 2026

Botan before 1.10.13 and 1.11.x before 1.11.22 make it easier for remote attackers to conduct million-message attacks by measuring time differences, related to decoding of PKCS#1 padding.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Ubuntu	botan1.10	14.04	`1.10.5-1`	vulnerable
Ubuntu	botan1.10	14.04	`1.10.5-1ubuntu1`	vulnerable
Ubuntu	botan1.10	14.04	`1.10.5-1+deb7u1ubuntu0.14.04.1`	fixed
Ubuntu	botan1.10	16.04	`1.10.10-6`	vulnerable
Ubuntu	botan1.10	16.04	`1.10.12-1`	vulnerable
Suse	Botan	linux enterprise software development kit 11 sp4	`1.6.5-4.1`	fixed
Suse	Botan	linux enterprise software development kit 11 sp4	`1.6.5-6.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Ubuntu	botan1.10	deb	14.04	`1.10.5-1+deb7u1ubuntu0.14.04.1`	Not reported	UBUNTU-CVE-2015-7827	Not reported
Suse	Botan	rpm	linux enterprise software development kit 11 sp4	`1.6.5-4.1`	Not reported	SUSE-SU-2017:1305-1	Not reported
Suse	Botan	rpm	linux enterprise software development kit 11 sp4	`1.6.5-6.1`	Not reported	SUSE-SU-2017:1351-1	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed: Oct 23, 2026, 5:16:40 PM UTC

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]