CVE-2015-0291
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to...
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
Exploit likelihood
What each source reports
NVD Score used
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
- Record
CVE-2015-0291- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
- Record
CVE-2015-0291- Updated
- 2026-11-02
EUVDEUVD-2015-0304 No score
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
- Record
EUVD-2015-0304- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hjm-7xr7-8fgf No score
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to...
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
- Record
GHSA-3hjm-7xr7-8fgf- Updated
- 2026-11-02
OSVBELL-CVE-2015-0291
CVE-2015-0291 does not affect BellSoft software
- Record
BELL-CVE-2015-0291- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-0291 is a medium vulnerability (CVSS 5.0) in Openssl, published March 19, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.88%, the 94th percentile. No source names a fixed version.
References
kc.mcafee.com/corporate/index?page=content&id=SB10110
securityfocus.com/bid/73235
oracle.com/technetwork/topics/security/cpujul2015-2367936.html
marc.info?l=bugtraq&m=144050155601375&w=2
bto.bluecoat.com/security-advisory/sa92
openssl.org/news/secadv_20150319.txt
Show 16 moreShow less
git.openssl.org?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d
fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
securitytracker.com/id/1031929
security.gentoo.org/glsa/201503-11
bugzilla.redhat.com/show_bug.cgi?id=1202338
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
nvd.nist.gov/vuln/detail/CVE-2015-0291
github.com/advisories/GHSA-3hjm-7xr7-8fgf
docs.bell-sw.com/security/cves/CVE-2015-0291