diff --git a/0001-Fix-various-issues-in-cupsd.patch b/0001-Fix-various-issues-in-cupsd.patch
new file mode 100644
index 0000000..08850f0
--- /dev/null
+++ b/0001-Fix-various-issues-in-cupsd.patch
@@ -0,0 +1,283 @@
+diff -up cups-2.2.6/conf/cups-files.conf.in.config-issues cups-2.2.6/conf/cups-files.conf.in
+--- cups-2.2.6/conf/cups-files.conf.in.config-issues 2025-12-10 09:55:08.849687904 +0100
++++ cups-2.2.6/conf/cups-files.conf.in 2025-12-10 09:55:08.963762383 +0100
+@@ -19,6 +19,9 @@
+ SystemGroup @CUPS_SYSTEM_GROUPS@
+ @CUPS_SYSTEM_AUTHKEY@
+
++# Are Unix domain socket peer credentials used for authorization?
++PeerCred @CUPS_PEER_CRED@
++
+ # User that is substituted for unauthenticated (remote) root accesses...
+ #RemoteRoot remroot
+
+diff -up cups-2.2.6/config.h.in.config-issues cups-2.2.6/config.h.in
+--- cups-2.2.6/config.h.in.config-issues 2025-12-10 09:55:08.852849134 +0100
++++ cups-2.2.6/config.h.in 2025-12-10 09:56:38.680857561 +0100
+@@ -88,6 +88,13 @@
+
+
+ /*
++ * Default PeerCred value...
++ */
++
++#define CUPS_DEFAULT_PEER_CRED "on"
++
++
++/*
+ * Default MaxCopies value...
+ */
+
+diff -up cups-2.2.6/config-scripts/cups-defaults.m4.config-issues cups-2.2.6/config-scripts/cups-defaults.m4
+--- cups-2.2.6/config-scripts/cups-defaults.m4.config-issues 2025-12-10 09:55:08.913734163 +0100
++++ cups-2.2.6/config-scripts/cups-defaults.m4 2025-12-10 09:55:57.696584490 +0100
+@@ -95,6 +95,15 @@ AC_ARG_WITH(log_level, [ --with-log-lev
+ AC_SUBST(CUPS_LOG_LEVEL)
+ AC_DEFINE_UNQUOTED(CUPS_DEFAULT_LOG_LEVEL, "$CUPS_LOG_LEVEL")
+
++dnl Default PeerCred
++AC_ARG_WITH([peer_cred], AS_HELP_STRING([--with-peer-cred], [set default PeerCred value (on/off/root-only), default=on]), [
++ CUPS_PEER_CRED="$withval"
++], [
++ CUPS_PEER_CRED="on"
++])
++AC_SUBST([CUPS_PEER_CRED])
++AC_DEFINE_UNQUOTED([CUPS_DEFAULT_PEER_CRED], ["$CUPS_PEER_CRED"], [Default PeerCred value.])
++
+ dnl Default AccessLogLevel
+ AC_ARG_WITH(access_log_level, [ --with-access-log-level set default AccessLogLevel value, default=none],
+ CUPS_ACCESS_LOG_LEVEL="$withval",
+diff -up cups-2.2.6/doc/help/man-cups-files.conf.html.config-issues cups-2.2.6/doc/help/man-cups-files.conf.html
+--- cups-2.2.6/doc/help/man-cups-files.conf.html.config-issues 2025-12-10 09:55:08.849902857 +0100
++++ cups-2.2.6/doc/help/man-cups-files.conf.html 2025-12-10 09:57:25.160598126 +0100
+@@ -119,6 +119,13 @@ The server name may be included in filen
+
+
+ The default is "/var/log/cups/page_log".
++PeerCred off
++PeerCred on
++PeerCred root-only
++Specifies whether peer credentials are used for authorization when communicating over the UNIX domain socket.
++When on, the peer credentials of any user are accepted for authorization.
++The value off disables the use of peer credentials entirely, while the value root-only allows peer credentials only for the root user.
++Note: for security reasons, the on setting is reduced to root-only for authorization of PUT requests.
+ RemoteRoot username
+ Specifies the username that is associated with unauthenticated accesses by clients claiming to be the root user.
+ The default is "remroot".
+diff -up cups-2.2.6/man/cups-files.conf.man.in.config-issues cups-2.2.6/man/cups-files.conf.man.in
+--- cups-2.2.6/man/cups-files.conf.man.in.config-issues 2025-12-10 09:59:33.227883234 +0100
++++ cups-2.2.6/man/cups-files.conf.man.in 2025-12-10 09:59:57.400174430 +0100
+@@ -162,6 +162,17 @@ The default is "/var/log/cups/page_log".
+ \fBPassEnv \fIvariable \fR[ ... \fIvariable \fR]
+ Passes the specified environment variable(s) to child processes.
+ Note: the standard CUPS filter and backend environment variables cannot be overridden using this directive.
++.\"#PeerCred
++.TP 5
++\fBPeerCred off\fR
++.TP 5
++\fBPeerCred on\fR
++.TP 5
++\fBPeerCred root-only\fR
++Specifies whether peer credentials are used for authorization when communicating over the UNIX domain socket.
++When \fBon\fR, the peer credentials of any user are accepted for authorization.
++The value \fBoff\fR disables the use of peer credentials entirely, while the value \fBroot-only\fR allows peer credentials only for the root user.
++Note: for security reasons, the \fBon\fR setting is reduced to \fBroot-only\fR for authorization of PUT requests.
+ .\"#RemoteRoot
+ .TP 5
+ \fBRemoteRoot \fIusername\fR
+diff -up cups-2.2.6/scheduler/auth.c.config-issues cups-2.2.6/scheduler/auth.c
+--- cups-2.2.6/scheduler/auth.c.config-issues 2025-12-10 09:55:08.953939209 +0100
++++ cups-2.2.6/scheduler/auth.c 2025-12-10 09:55:08.965011783 +0100
+@@ -401,7 +401,7 @@ cupsdAuthorize(cupsd_client_t *con) /* I
+ }
+ #endif /* HAVE_AUTHORIZATION_H */
+ #if defined(SO_PEERCRED) && defined(AF_LOCAL)
+- else if (!strncmp(authorization, "PeerCred ", 9) &&
++ else if (PeerCred != CUPSD_PEERCRED_OFF && !strncmp(authorization, "PeerCred ", 9) &&
+ con->http->hostaddr->addr.sa_family == AF_LOCAL && con->best)
+ {
+ /*
+@@ -444,6 +444,12 @@ cupsdAuthorize(cupsd_client_t *con) /* I
+ }
+ #endif /* HAVE_AUTHORIZATION_H */
+
++ if ((PeerCred == CUPSD_PEERCRED_ROOTONLY || httpGetState(con->http) == HTTP_STATE_PUT_RECV) && strcmp(authorization + 9, "root"))
++ {
++ cupsdLogClient(con, CUPSD_LOG_INFO, "User \"%s\" is not allowed to use peer credentials.", authorization + 9);
++ return;
++ }
++
+ if ((pwd = getpwnam(authorization + 9)) == NULL)
+ {
+ cupsdLogClient(con, CUPSD_LOG_ERROR, "User \"%s\" does not exist.", authorization + 9);
+diff -up cups-2.2.6/scheduler/auth.h.config-issues cups-2.2.6/scheduler/auth.h
+--- cups-2.2.6/scheduler/auth.h.config-issues 2017-11-01 15:57:53.000000000 +0100
++++ cups-2.2.6/scheduler/auth.h 2025-12-10 10:00:29.472254041 +0100
+@@ -52,6 +52,10 @@
+ #define CUPSD_AUTH_LIMIT_ALL 127 /* Limit all requests */
+ #define CUPSD_AUTH_LIMIT_IPP 128 /* Limit IPP requests */
+
++#define CUPSD_PEERCRED_OFF 0 /* Don't allow PeerCred authorization */
++#define CUPSD_PEERCRED_ON 1 /* Allow PeerCred authorization for all users */
++#define CUPSD_PEERCRED_ROOTONLY 2 /* Allow PeerCred authorization for root user */
++
+ #define IPP_ANY_OPERATION (ipp_op_t)0
+ /* Any IPP operation */
+ #define IPP_BAD_OPERATION (ipp_op_t)-1
+@@ -109,6 +113,9 @@ typedef struct cupsd_client_s cupsd_clie
+
+ VAR cups_array_t *Locations VALUE(NULL);
+ /* Authorization locations */
++VAR int PeerCred VALUE(CUPSD_PEERCRED_ON);
++ /* Allow PeerCred authorization? */
++
+ #ifdef HAVE_SSL
+ VAR http_encryption_t DefaultEncryption VALUE(HTTP_ENCRYPT_REQUIRED);
+ /* Default encryption for authentication */
+diff -up cups-2.2.6/scheduler/client.c.config-issues cups-2.2.6/scheduler/client.c
+diff -up cups-2.2.6/scheduler/conf.c.config-issues cups-2.2.6/scheduler/conf.c
+--- cups-2.2.6/scheduler/conf.c.config-issues 2025-12-10 09:55:08.946765727 +0100
++++ cups-2.2.6/scheduler/conf.c 2025-12-10 09:55:08.964315379 +0100
+@@ -52,6 +52,7 @@ typedef enum
+ {
+ CUPSD_VARTYPE_INTEGER, /* Integer option */
+ CUPSD_VARTYPE_TIME, /* Time interval option */
++ CUPSD_VARTYPE_NULLSTRING, /* String option or NULL/empty string */
+ CUPSD_VARTYPE_STRING, /* String option */
+ CUPSD_VARTYPE_BOOLEAN, /* Boolean option */
+ CUPSD_VARTYPE_PATHNAME, /* File/directory name option */
+@@ -74,7 +75,7 @@ static const cupsd_var_t cupsd_vars[] =
+ {
+ { "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
+ #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+- { "BrowseDNSSDSubTypes", &DNSSDSubTypes, CUPSD_VARTYPE_STRING },
++ { "BrowseDNSSDSubTypes", &DNSSDSubTypes, CUPSD_VARTYPE_NULLSTRING },
+ #endif /* HAVE_DNSSD || HAVE_AVAHI */
+ { "BrowseWebIF", &BrowseWebIF, CUPSD_VARTYPE_BOOLEAN },
+ { "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
+@@ -124,7 +125,7 @@ static const cupsd_var_t cupsd_vars[] =
+ { "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
+ { "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
+ { "MultipleOperationTimeout", &MultipleOperationTimeout, CUPSD_VARTYPE_TIME },
+- { "PageLogFormat", &PageLogFormat, CUPSD_VARTYPE_STRING },
++ { "PageLogFormat", &PageLogFormat, CUPSD_VARTYPE_NULLSTRING },
+ { "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_TIME },
+ { "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_TIME },
+ { "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_TIME },
+@@ -807,6 +808,13 @@ cupsdReadConfiguration(void)
+ IdleExitTimeout = 60;
+ #endif /* HAVE_ONDEMAND */
+
++ if (!strcmp(CUPS_DEFAULT_PEER_CRED, "off"))
++ PeerCred = CUPSD_PEERCRED_OFF;
++ else if (!strcmp(CUPS_DEFAULT_PEER_CRED, "root-only"))
++ PeerCred = CUPSD_PEERCRED_ROOTONLY;
++ else
++ PeerCred = CUPSD_PEERCRED_ON;
++
+ /*
+ * Setup environment variables...
+ */
+@@ -1837,7 +1845,7 @@ get_addr_and_mask(const char *value, /*
+
+ family = AF_INET6;
+
+- for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
++ for (i = 0, ptr = value + 1; *ptr && i >= 0 && i < 8; i ++)
+ {
+ if (*ptr == ']')
+ break;
+@@ -1986,7 +1994,7 @@ get_addr_and_mask(const char *value, /*
+ #ifdef AF_INET6
+ if (family == AF_INET6)
+ {
+- if (i > 128)
++ if (i < 0 || i > 128)
+ return (0);
+
+ i = 128 - i;
+@@ -2020,7 +2028,7 @@ get_addr_and_mask(const char *value, /*
+ else
+ #endif /* AF_INET6 */
+ {
+- if (i > 32)
++ if (i < 0 || i > 32)
+ return (0);
+
+ mask[0] = 0xffffffff;
+@@ -2930,7 +2938,17 @@ parse_variable(
+ cupsdSetString((char **)var->ptr, temp);
+ break;
+
++ case CUPSD_VARTYPE_NULLSTRING :
++ cupsdSetString((char **)var->ptr, value);
++ break;
++
+ case CUPSD_VARTYPE_STRING :
++ if (!value)
++ {
++ cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.", line, linenum, filename);
++ return (0);
++ }
++
+ cupsdSetString((char **)var->ptr, value);
+ break;
+ }
+@@ -3438,9 +3456,10 @@ read_cupsd_conf(cups_file_t *fp) /* I -
+ line, value ? " " : "", value ? value : "", linenum,
+ ConfigurationFile, CupsFilesFile);
+ }
+- else
+- parse_variable(ConfigurationFile, linenum, line, value,
+- sizeof(cupsd_vars) / sizeof(cupsd_vars[0]), cupsd_vars);
++ else if (!parse_variable(ConfigurationFile, linenum, line, value,
++ sizeof(cupsd_vars) / sizeof(cupsd_vars[0]), cupsd_vars) &&
++ (FatalErrors & CUPSD_FATAL_CONFIG))
++ return (0);
+ }
+
+ return (1);
+@@ -3575,6 +3594,31 @@ read_cups_files_conf(cups_file_t *fp) /*
+ break;
+ }
+ }
++ else if (!_cups_strcasecmp(line, "PeerCred") && value)
++ {
++ /*
++ * PeerCred {off,on,root-only}
++ */
++
++ if (!_cups_strcasecmp(value, "off"))
++ {
++ PeerCred = CUPSD_PEERCRED_OFF;
++ }
++ else if (!_cups_strcasecmp(value, "on"))
++ {
++ PeerCred = CUPSD_PEERCRED_ON;
++ }
++ else if (!_cups_strcasecmp(value, "root-only"))
++ {
++ PeerCred = CUPSD_PEERCRED_ROOTONLY;
++ }
++ else
++ {
++ cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown PeerCred \"%s\" on line %d of %s.", value, linenum, CupsFilesFile);
++ if (FatalErrors & CUPSD_FATAL_CONFIG)
++ return (0);
++ }
++ }
+ else if (!_cups_strcasecmp(line, "PrintcapFormat") && value)
+ {
+ /*
+diff -up cups-2.2.6/test/run-stp-tests.sh.config-issues cups-2.2.6/test/run-stp-tests.sh
+--- cups-2.2.6/test/run-stp-tests.sh.config-issues 2025-12-10 09:55:08.861374808 +0100
++++ cups-2.2.6/test/run-stp-tests.sh 2025-12-10 09:55:08.964582228 +0100
+@@ -511,7 +511,7 @@ fi
+
+ cat >$BASE/cups-files.conf <
+Date: Thu, 4 Dec 2025 09:04:37 +0100
+Subject: [PATCH] conf.c: Fix stopping scheduler on unknown directive
+
+Change the return value to do not trigger stopping the scheduler in case
+of unknown directive, because stopping the scheduler on config errors
+should only happen in case of syntax errors.
+---
+ scheduler/conf.c | 14 +++++++-------
+ 1 file changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/scheduler/conf.c b/scheduler/conf.c
+index 7d6da0252..0e7be0ef4 100644
+--- a/scheduler/conf.c
++++ b/scheduler/conf.c
+@@ -2708,16 +2708,16 @@ parse_variable(
+ {
+ /*
+ * Unknown directive! Output an error message and continue...
++ *
++ * Return value 1 is on purpose - we ignore unknown directives to log
++ * error, but do not stop the scheduler in case error in configuration
++ * is set to be fatal.
+ */
+
+- if (!value)
+- cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.",
+- line, linenum, filename);
+- else
+- cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
+- line, linenum, filename);
++ cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
++ line, linenum, filename);
+
+- return (0);
++ return (1);
+ }
+
+ switch (var->type)
+--
+2.52.0
+
diff --git a/cups.spec b/cups.spec
index 16aed33..23f81d7 100644
--- a/cups.spec
+++ b/cups.spec
@@ -204,6 +204,11 @@ Patch99: 0001-_httpWait-s-usessl-parameter-wasn-t-being-used.patch
Patch100: 0001-Setting-the-timeout-should-also-timeout-the-TLS-nego.patch
Patch101: cups-CVE-2025-58436.patch
Patch102: 0001-Fix-an-infinite-loop-issue-in-GTK-Issue-1439.patch
+# RHEL-129720 CVE-2025-61915 cups: Local denial-of-service via cupsd.conf update and related issues
+# 0001-Fix-various-issues-in-cupsd.patch
+# 0001-conf.c-Fix-stopping-scheduler-on-unknown-directive.patch
+Patch103: 0001-Fix-various-issues-in-cupsd.patch
+Patch104: 0001-conf.c-Fix-stopping-scheduler-on-unknown-directive.patch
Patch1000: cups-lspp.patch
@@ -541,6 +546,9 @@ Sends IPP requests to the specified URI and tests and/or displays the results.
%patch100 -p1 -b .timeout-tls
%patch101 -p1 -b .slow-client
%patch102 -p1 -b .gtk-infinite-loop
+# RHEL-129720 CVE-2025-61915 cups: Local denial-of-service via cupsd.conf update and related issues
+%patch103 -p1 -b .config-issues
+%patch104 -p1 -b .ignore-unknown
sed -i -e '1iMaxLogSize 0' conf/cupsd.conf.in
@@ -970,6 +978,7 @@ rm -f %{cups_serverbin}/backend/smb
%changelog
* Tue Dec 09 2025 Zdenek Dohnal - 1:2.2.6-65
- RHEL-129729 CVE-2025-58436 cups: Slow client communication leads to a possible DoS attack
+- RHEL-129720 CVE-2025-61915 cups: Local denial-of-service via cupsd.conf update and related issues
* Wed Oct 22 2025 Zdenek Dohnal - 1:2.2.6-64
- RHEL-122045 CVE-2025-58364 cups: Null Pointer Dereference in CUPS ipp_read_io() Leading to Remote DoS