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CVE-2015-0291
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…
Medium5.0EPSS 6.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 6.9% · top 5.9% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (18)
- https://kc.mcafee.com/corporate/index?page=content&id=SB10110 (opens in a new tab)x_transferred
- 73235 (opens in a new tab)vdb-entryx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (opens in a new tab)x_transferred
- HPSBMU03409 (opens in a new tab)vendor-advisoryx_transferred
- https://bto.bluecoat.com/security-advisory/sa92 (opens in a new tab)x_transferred
- https://www.openssl.org/news/secadv_20150319.txt (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html (opens in a new tab)x_transferred
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d (opens in a new tab)x_transferred
- HPSBMU03380 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_transferred
- http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015 (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html (opens in a new tab)x_transferred
- HPSBMU03397 (opens in a new tab)vendor-advisoryx_transferred
- 1031929 (opens in a new tab)vdb-entryx_transferred
- GLSA-201503-11 (opens in a new tab)vendor-advisoryx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1202338 (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-0291)Record last updated .