diff --git a/openssh-7.7p1-fips.patch b/openssh-7.7p1-fips.patch
index 9f83eee..7ad6b1a 100644
--- a/openssh-7.7p1-fips.patch
+++ b/openssh-7.7p1-fips.patch
@@ -106,17 +106,18 @@ diff -up openssh-8.6p1/kexgexc.c.fips openssh-8.6p1/kexgexc.c
  #include <sys/types.h>
  
  #include <openssl/dh.h>
-@@ -115,6 +116,10 @@ input_kex_dh_gex_group(int type, u_int32
- 		r = SSH_ERR_ALLOC_FAIL;
- 		goto out;
+@@ -117,6 +118,11 @@ input_kex_dh_gex_group(int type, u_int32
  	}
+ 	p = g = NULL; /* belong to kex->dh now */
+ 
 +	if (FIPS_mode() && dh_is_known_group(kex->dh) == 0) {
 +		r = SSH_ERR_INVALID_ARGUMENT;
 +		goto out;
 +	}
- 	p = g = NULL; /* belong to kex->dh now */
- 
++
  	/* generate and send 'e', client DH public key */
+ 	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0)
+ 		goto out;
 diff -up openssh-8.6p1/myproposal.h.fips openssh-8.6p1/myproposal.h
 --- openssh-8.6p1/myproposal.h.fips	2021-04-16 05:55:25.000000000 +0200
 +++ openssh-8.6p1/myproposal.h	2021-05-06 12:08:36.498926877 +0200
diff --git a/openssh.spec b/openssh.spec
index 1f09465..c4a9bab 100644
--- a/openssh.spec
+++ b/openssh.spec
@@ -47,7 +47,7 @@
 
 # Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
 %global openssh_ver 9.9p1
-%global openssh_rel 8
+%global openssh_rel 9
 %global pam_ssh_agent_ver 0.10.4
 %global pam_ssh_agent_rel 9
 
@@ -772,6 +772,11 @@ test -f %{sysconfig_anaconda} && \
 %endif
 
 %changelog
+* Fri Jun 26 2026 Zoltan Fridrich <zfridric@redhat.com> - 9.9p1-9
+- CVE-2026-55653: Fix double free in openssh DH-GEX client path during
+  FIPS known-group validation that leads to client-side denial of service
+  Resolves: RHEL-186440
+
 * Wed Apr 01 2026 Zoltan Fridrich <zfridric@redhat.com> - 9.9p1-8
 - Fix static analysis issues
   Resolves: RHEL-163366