SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 the PSK identity hint to an incorrect data structure, which allows remote servers to cause a denial of service…

MEDIUM 4.3EPSS 13.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
13.53% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-362
Affected
hp/icewall sso · hp/icewall sso agent option · openssl/openssl · oracle/vm virtualbox · fedoraproject/fedora · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · canonical/ubuntu linux · debian/debian linux
Source
secalert@redhat.com
EPSS trend
0%8%15%4 November 2026: 13.53%4 November 20264 November 2026

EPSS 13.5% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.