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CVE-2015-3196
ssl/s3_clnt.c in OpenSSL 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1p, and 1.0.2 before 1.0.2d, when used for a multi-threaded client, writes…
- 4.3MediumCVSS base score
- 13.5%Exploitation in 30 daysEPSS · top 3.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
ssl/s3_clnt.c in OpenSSL 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1p, and 1.0.2 before 1.0.2d, when used for a multi-threaded client, writes the PSK identity hint to an incorrect data structure, which allows remote servers to cause a denial of service (race condition and double free) via a crafted ServerKeyExchange message.
Timeline
ID reserved
By redhat
- 8 months later
· 8 months later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 13.5% · top 3.5% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
26
- 20151204 Multiple Vulnerabilities in OpenSSL (December 2015) Affecting Cisco Products (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944173 (opens in a new tab)x_transferred
- openSUSE-SU-2015:2288 (opens in a new tab)vendor-advisoryx_transferred
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=3c66a669dfc7b3792f7af0758ea26fe8502ce70c (opens in a new tab)x_transferred
- RHSA-2015:2617 (opens in a new tab)vendor-advisoryx_transferred
- http://www.fortiguard.com/advisory/openssl-advisory-december-2015 (opens in a new tab)x_transferred
- SSA:2015-349-04 (opens in a new tab)vendor-advisoryx_transferred
- 78622 (opens in a new tab)vdb-entryx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (opens in a new tab)x_transferred
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100 (opens in a new tab)x_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 (opens in a new tab)x_transferred
- HPSBGN03536 (opens in a new tab)vendor-advisoryx_transferred
- USN-2830-1 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2015:2289 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2015-d87d60b9a9 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html (opens in a new tab)x_transferred
- RHSA-2016:2957 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html (opens in a new tab)x_transferred
- http://openssl.org/news/secadv/20151203.txt (opens in a new tab)x_transferred
- 1034294 (opens in a new tab)vdb-entryx_transferred
- http://fortiguard.com/advisory/openssl-advisory-december-2015 (opens in a new tab)x_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322 (opens in a new tab)x_transferred
- DSA-3413 (opens in a new tab)vendor-advisoryx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 (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)
- EUVD EUVD-2015-3263 (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)
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[](https://cveledger.app/cve/CVE-2015-3196)Record last updated .