diff --git a/src/DS/rds.c b/src/DS/rds.c
index af3ae006fd..e4c827b8fe 100644
--- a/src/DS/rds.c
+++ b/src/DS/rds.c
@@ -846,8 +846,9 @@ struct oscap_source *ds_rds_create_source(struct oscap_source *sds_source, struc
 		struct stat file_stat;
 		if (stat(tailoring_filepath, &file_stat) == 0) {
 			const size_t max_timestamp_len = 32;
+			struct tm result;
 			tailoring_doc_timestamp = malloc(max_timestamp_len);
-			strftime(tailoring_doc_timestamp, max_timestamp_len, "%Y-%m-%dT%H:%M:%S", localtime(&file_stat.st_mtime));
+			strftime(tailoring_doc_timestamp, max_timestamp_len, "%Y-%m-%dT%H:%M:%S", localtime_r(&file_stat.st_mtime, &result));
 		}
 	}
 
diff --git a/src/DS/sds.c b/src/DS/sds.c
index c7c5c75b0d..15f5079c39 100644
--- a/src/DS/sds.c
+++ b/src/DS/sds.c
@@ -685,12 +685,13 @@ static int ds_sds_compose_add_component_internal(xmlDocPtr doc, xmlNodePtr datas
 	struct stat file_stat;
 	if (stat(filepath, &file_stat) == 0) {
 		time_t mtime;
+		struct tm result;
 		char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
 		if (source_date_epoch == NULL ||
 			(mtime = (time_t)strtoll(source_date_epoch, NULL, 10)) <= 0 ||
 			mtime > file_stat.st_mtime)
 			mtime = file_stat.st_mtime;
-		strftime(file_timestamp, 32, "%Y-%m-%dT%H:%M:%S", localtime(&mtime));
+		strftime(file_timestamp, 32, "%Y-%m-%dT%H:%M:%S", localtime_r(&mtime, &result));
 	} else {
 		oscap_seterr(OSCAP_EFAMILY_GLIBC, "Could not find file %s: %s.", filepath, strerror(errno));
 		// Return positive number, indicating less severe problem.
@@ -796,7 +797,7 @@ static int ds_sds_compose_catalog_has_uri(xmlDocPtr doc, xmlNodePtr catalog, con
 
 		return -1;
 	}
-	
+
 	xmlXPathObjectPtr xpathObj = xmlXPathEvalExpression(
 			BAD_CAST expression,
 			xpathCtx);
diff --git a/src/OVAL/oval_component.c b/src/OVAL/oval_component.c
index f42236a682..c8e577cf88 100644
--- a/src/OVAL/oval_component.c
+++ b/src/OVAL/oval_component.c
@@ -1869,9 +1869,10 @@ static long unsigned int _comp_sec(int year, int month, int day, int hour, int m
 {
 	time_t t;
 	struct tm *ts;
+	struct tm result;
 
 	t = time(NULL);
-	ts = localtime(&t);
+	ts = localtime_r(&t, &result);
 
 	ts->tm_year = year - 1900;
 	ts->tm_mon = month - 1;
@@ -1881,7 +1882,7 @@ static long unsigned int _comp_sec(int year, int month, int day, int hour, int m
 	ts->tm_sec = second;
 	ts->tm_isdst = -1;
 	t = mktime(ts);
-	ts = localtime(&t);
+	ts = localtime_r(&t, &result);
 
 	if (ts->tm_isdst == 1)
 		t -= 3600;
@@ -1969,9 +1970,10 @@ static long unsigned int _parse_fmt_sse(char *dt)
 {
 	time_t t;
 	struct tm *ts;
+	struct tm result;
 
 	t = (time_t) atol(dt);
-	ts = localtime(&t);
+	ts = localtime_r(&t, &result);
 	if (ts->tm_isdst == 1)
 		t -= 3600;
 
diff --git a/src/OVAL/oval_generator.c b/src/OVAL/oval_generator.c
index e423a9551d..bea75b8732 100644
--- a/src/OVAL/oval_generator.c
+++ b/src/OVAL/oval_generator.c
@@ -155,7 +155,8 @@ void oval_generator_update_timestamp(struct oval_generator *generator)
 	struct tm *lt;
 
 	time(&et);
-	lt = localtime(&et);
+	struct tm localtime_state;
+	lt = localtime_r(&et, &localtime_state);
 	int timestamp_size = snprintf(NULL, 0, "%4d-%02d-%02dT%02d:%02d:%02d",
 		 1900 + lt->tm_year, 1 + lt->tm_mon, lt->tm_mday, lt->tm_hour, lt->tm_min, lt->tm_sec);
 	if (timestamp_size < 0) {
diff --git a/src/OVAL/probes/unix/process58_probe.c b/src/OVAL/probes/unix/process58_probe.c
index 0b47230714..7a5df13eb9 100644
--- a/src/OVAL/probes/unix/process58_probe.c
+++ b/src/OVAL/probes/unix/process58_probe.c
@@ -477,6 +477,7 @@ static int read_process(SEXP_t *cmd_ent, SEXP_t *pid_ent, probe_ctx *ctx)
 	DIR *d;
 	struct dirent *ent;
 	oval_schema_version_t oval_version;
+	struct tm result;
 
 	const char *prefix = getenv("OSCAP_PROBE_ROOT");
 	snprintf(buf, PATH_MAX, "%s/proc", prefix ? prefix : "");
@@ -605,11 +606,11 @@ static int read_process(SEXP_t *cmd_ent, SEXP_t *pid_ent, probe_ctx *ctx)
 
 			// Calculate the start time
 			s_time = time(NULL);
-			now = localtime(&s_time);
+			now = localtime_r(&s_time, &result);
 			tyear = now->tm_year;
 			tday = now->tm_yday;
 			s_time = boot + (start / ticks);
-			proc = localtime(&s_time);
+			proc = localtime_r(&s_time, &result);
 
 			// Select format based on how long we've been running
 			//
@@ -729,6 +730,7 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 	int err = 1;
 	DIR *d;
 	struct dirent *ent;
+	struct tm result;
 
 	d = opendir("/proc");
 	if (d == NULL)
@@ -784,13 +786,13 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 
 			// Get the start time
 			s_time = time(NULL);
-			now = localtime(&s_time);
+			now = localtime_r(&s_time, &result);
 			tyear = now->tm_year;
 			tday = now->tm_yday;
 
 			// Get current time
 			s_time = psinfo->pr_start.tv_sec;
-			proc = localtime(&s_time);
+			proc = localtime_r(&s_time, &result);
 
 			// Select format based on how long we've been running
 			//
diff --git a/src/OVAL/probes/unix/process_probe.c b/src/OVAL/probes/unix/process_probe.c
index 8543b15e12..81dff1f709 100644
--- a/src/OVAL/probes/unix/process_probe.c
+++ b/src/OVAL/probes/unix/process_probe.c
@@ -200,6 +200,7 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 	int err = 1;
 	DIR *d;
 	struct dirent *ent;
+	struct tm result;
 
 	d = opendir("/proc");
 	if (d == NULL)
@@ -299,11 +300,11 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 
 			// Calculate the start time
 			s_time = time(NULL);
-			now = localtime(&s_time);
+			now = localtime_r(&s_time, &result);
 			tyear = now->tm_year;
 			tday = now->tm_yday;
 			s_time = boot + (start / ticks);
-			proc = localtime(&s_time);
+			proc = localtime_r(&s_time, &result);
 
 			// Select format based on how long we've been running
 			//
@@ -439,13 +440,13 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 
 			// Get the start time
 			s_time = time(NULL);
-			now = localtime(&s_time);
+			now = localtime_r(&s_time, &result);
 			tyear = now->tm_year;
 			tday = now->tm_yday;
 
 			// Get current time
 			s_time = psinfo->pr_start.tv_sec;
-			proc = localtime(&s_time);
+			proc = localtime_r(&s_time, &result);
 
 			// Select format based on how long we've been running
 			//
@@ -595,7 +596,8 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 				fmt = "%H:%M:%S";
 			}
 
-			struct tm *loc_time = localtime(&start_time);
+			struct tm result;
+			struct tm *loc_time = localtime_r(&start_time, &result);
 			strftime(start_buf, sizeof(start_buf), fmt, loc_time);
 
 			switch(proc->ki_tdev) {
@@ -604,7 +606,7 @@ static int read_process(SEXP_t *cmd_ent, probe_ctx *ctx)
 					break;
 				default:
 					snprintf(tty_buf, sizeof(tty_buf), "%ld", proc->ki_tdev);
-					r.tty = tty_buf; 
+					r.tty = tty_buf;
 					break;
 			}
 
diff --git a/src/XCCDF/item.c b/src/XCCDF/item.c
index 9d656b7abe..480e45cb73 100644
--- a/src/XCCDF/item.c
+++ b/src/XCCDF/item.c
@@ -542,7 +542,8 @@ xmlNode *xccdf_status_to_dom(struct xccdf_status *status, xmlDoc *doc, xmlNode *
 
 	time_t date_time = xccdf_status_get_date(status);
 	if (date_time) {
-		struct tm *date = localtime(&date_time);
+		struct tm result;
+		struct tm *date = localtime_r(&date_time, &result);
 		/* "YYYY-DD-MM" */
 		int date_len = snprintf(NULL, 0, "%04d-%02d-%02d", date->tm_year + 1900, date->tm_mon + 1, date->tm_mday);
 		if (date_len < 0) {
diff --git a/src/XCCDF/result.c b/src/XCCDF/result.c
index 83456f8133..9117bd22a1 100644
--- a/src/XCCDF/result.c
+++ b/src/XCCDF/result.c
@@ -1770,11 +1770,12 @@ static inline const char *_get_timestamp(void)
 	static char timestamp[] = "yyyy-mm-ddThh:mm:ss+zz:zz";
 	time_t tm;
 	struct tm *lt;
+	struct tm result;
 	int tz_diff;
 	char tz_sign;
 
 	tm = time(NULL);
-	lt = localtime(&tm);
+	lt = localtime_r(&tm, &result);
 
 	if (!lt)
 		return NULL;
diff --git a/utils/oscap-info.c b/utils/oscap-info.c
index a459d9d6a1..a707ee6e4e 100644
--- a/utils/oscap-info.c
+++ b/utils/oscap-info.c
@@ -76,10 +76,11 @@ struct oscap_module OSCAP_INFO_MODULE = {
 
 static void print_time(const char *file) {
 	struct stat buffer;
+	struct tm result;
 	char timeStr[ 100 ] = "";
 
 	if(!stat(file, &buffer)) {
-		strftime(timeStr, 100, "%Y-%m-%dT%H:%M:%S", localtime(&buffer.st_mtime));
+		strftime(timeStr, 100, "%Y-%m-%dT%H:%M:%S", localtime_r(&buffer.st_mtime, &result));
 		printf("Imported: %s\n", timeStr);
 	}
 }
@@ -90,7 +91,8 @@ static inline void _print_xccdf_status(struct xccdf_status *status, const char *
 		printf("%sStatus: %s\n", prefix, xccdf_status_type_to_text(xccdf_status_get_status(status)));
 		const time_t date_time = xccdf_status_get_date(status);
 		if (date_time != 0) {
-			struct tm *date = localtime(&date_time);
+			struct tm result;
+			struct tm *date = localtime_r(&date_time, &result);
 			char date_str[] = "YYYY-DD-MM";
 			int ret = snprintf(date_str, sizeof(date_str), "%04d-%02d-%02d", date->tm_year + 1900, date->tm_mon + 1, date->tm_mday);
 			if (ret < 0) {