CVE-2025-15468 — NULL Pointer Dereference in Openssl
Severity
5.9MEDIUMNVD
OSV6.1
EPSS
0.0%
top 94.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 27
Description
Issue summary: If an application using the SSL_CIPHER_find() function in
a QUIC protocol client or server receives an unknown cipher suite from
the peer, a NULL dereference occurs.
Impact summary: A NULL pointer dereference leads to abnormal termination of
the running process causing Denial of Service.
Some applications call SSL_CIPHER_find() from the client_hello_cb callback
on the cipher ID received from the peer. If this is done with an SSL object
implementing the QUIC protocol, NULL pointe…
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6
Affected Packages5 packages
Patches
🔴Vulnerability Details
6GHSA▶
GHSA-rhx3-fg8p-f9m4: Issue summary: If an application using the SSL_CIPHER_find() function in
a QUIC protocol client or server receives an unknown cipher suite from
the pe↗2026-01-27
OSV▶
CVE-2025-15468: Issue summary: If an application using the SSL_CIPHER_find() function in
a QUIC protocol client or server receives an unknown cipher suite from
the pe↗2026-01-27