CVE catalog

CVE-2015-2141

libcrypto++: CVE-2015-2141

Severity: Medium
Published: Jun 29, 2015, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.86% · Oct 27, 2026

The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.

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
Debian	libcrypto++	sid	`8.9.0-3`	fixed
Debian	libcrypto++	forky	`8.9.0-3`	fixed
Debian	libcrypto++	trixie	`8.9.0-2`	fixed
Debian	libcrypto++	bookworm	`8.7.0+git220824-1`	fixed
Ubuntu	libcrypto++	14.04	`5.6.1-6`	vulnerable
Ubuntu	libcrypto++	14.04	`5.6.1-6+deb8u1build0.14.04.1`	fixed
Opensuse	libcryptopp	tumbleweed	`5.6.4-1.3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libcrypto++	source	sid	`5.6.1-7`	not yet assigned	Not reported	Not reported
Debian	libcrypto++	source	forky	`5.6.1-7`	not yet assigned	Not reported	Not reported
Debian	libcrypto++	source	trixie	`5.6.1-7`	not yet assigned	Not reported	Not reported
Debian	libcrypto++	source	bookworm	`5.6.1-7`	not yet assigned	Not reported	Not reported
Ubuntu	libcrypto++	deb	14.04	`5.6.1-6+deb8u1build0.14.04.1`	Not reported	UBUNTU-CVE-2015-2141	Not reported
Opensuse	libcryptopp	rpm	tumbleweed	`5.6.4-1.3`	Not reported	OPENSUSE-SU-2024:10336-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[libcryptopp8_9_0]Unknown
Source package: [libcryptopp]
Details (1)
- 8.9.0-6.5 · x86_64 · tumbleweed
  Unknown · Fixed: 5.6.4-1.3
  Version impact unknown
  dsa · libcryptopp · opensuse · tumbleweed
[libcryptopp-devel]Unknown
Source package: [libcryptopp]
Details (1)
- 8.9.0-6.5 · x86_64 · tumbleweed
  Unknown · Fixed: 5.6.4-1.3
  Version impact unknown
  dsa · libcryptopp · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[libcrypto++8]Fixed
Source package: [libcrypto++]
Details (2)
- 8.7.0+git220824-1 · amd64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
- 8.7.0+git220824-1 · arm64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
[libcrypto++-dev]Fixed
Source package: [libcrypto++]
Details (2)
- 8.7.0+git220824-1 · amd64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
- 8.7.0+git220824-1 · arm64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
[libcrypto++-doc]Fixed
Source package: [libcrypto++]
Details (2)
- 8.7.0+git220824-1 · all · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
- 8.7.0+git220824-1 · all · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
[libcrypto++-utils]Fixed
Source package: [libcrypto++]
Details (2)
- 8.7.0+git220824-1 · amd64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12
- 8.7.0+git220824-1 · arm64 · bookworm
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · bookworm; dsa · libcrypto++ · debian · 12

[Debian 13 (Trixie)]

[libcrypto++8t64]Fixed
Source package: [libcrypto++]
Details (2)
- 8.9.0-2 · amd64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
- 8.9.0-2 · arm64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
[libcrypto++-dev]Fixed
Source package: [libcrypto++]
Details (2)
- 8.9.0-2 · amd64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
- 8.9.0-2 · arm64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
[libcrypto++-doc]Fixed
Source package: [libcrypto++]
Details (2)
- 8.9.0-2 · all · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
- 8.9.0-2 · all · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
[libcrypto++-utils]Fixed
Source package: [libcrypto++]
Details (2)
- 8.9.0-2 · amd64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13
- 8.9.0-2 · arm64 · trixie
  Fixed · Fixed: 5.6.1-7
  dsa · libcrypto++ · debian · 13

Observed: Oct 23, 2026, 5:14:35 PM UTC

References

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