diff --git a/bitnami/kafka/4.1/debian-12/Dockerfile b/bitnami/kafka/4.1/debian-12/Dockerfile
index cd4329f29e0e..f093024cb257 100644
--- a/bitnami/kafka/4.1/debian-12/Dockerfile
+++ b/bitnami/kafka/4.1/debian-12/Dockerfile
@@ -8,7 +8,7 @@ ARG JAVA_EXTRA_SECURITY_DIR="/bitnami/java/extra-security"
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bookworm" \
-      org.opencontainers.image.created="2026-01-11T08:07:36Z" \
+      org.opencontainers.image.created="2026-01-28T15:10:55Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/kafka/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/kafka" \
@@ -29,7 +29,7 @@ RUN --mount=type=secret,id=downloads_url,env=SECRET_DOWNLOADS_URL \
     DOWNLOADS_URL=${SECRET_DOWNLOADS_URL:-${DOWNLOADS_URL}} ; \
     mkdir -p /tmp/bitnami/pkg/cache/ ; cd /tmp/bitnami/pkg/cache/ || exit 1 ; \
     COMPONENTS=( \
-      "jre-17.0.17-15-0-linux-${OS_ARCH}-debian-12" \
+      "jre-17.0.18-10-1-linux-${OS_ARCH}-debian-12" \
       "kafka-4.1.1-0-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
@@ -53,7 +53,7 @@ RUN /opt/bitnami/scripts/java/postunpack.sh
 RUN /opt/bitnami/scripts/kafka/postunpack.sh
 ENV APP_VERSION="4.1.1" \
     BITNAMI_APP_NAME="kafka" \
-    IMAGE_REVISION="5" \
+    IMAGE_REVISION="6" \
     JAVA_HOME="/opt/bitnami/java" \
     PATH="/opt/bitnami/java/bin:/opt/bitnami/kafka/bin:$PATH"
 
diff --git a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/liblog.sh b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/liblog.sh
index 1e18ef9866fa..f873cf875a99 100644
--- a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/liblog.sh
+++ b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/liblog.sh
@@ -24,9 +24,9 @@ CYAN='\033[38;5;6m'
 stderr_print() {
     # 'is_boolean_yes' is defined in libvalidations.sh, but depends on this file so we cannot source it
     local bool="${BITNAMI_QUIET:-false}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if ! [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
+    # converts the string to lowercase
+    local bool_val="${bool,,}"
+    if ! [[ "$bool_val" = 1 || "$bool_val" =~ ^(yes|true)$ ]]; then
         printf "%b\\n" "${*}" >&2
     fi
 }
@@ -40,9 +40,9 @@ stderr_print() {
 #########################
 log() {
     local color_bool="${BITNAMI_COLOR:-true}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$color_bool" = 1 || "$color_bool" =~ ^(yes|true)$ ]]; then
+    # converts the string to lowercase
+    local color_bool_val="${color_bool,,}"
+    if [[ "$color_bool_val" = 1 || "$color_bool_val" =~ ^(yes|true)$ ]]; then
         stderr_print "${CYAN}${MODULE:-} ${MAGENTA}$(date "+%T.%2N ")${RESET}${*}"
     else
         stderr_print "${MODULE:-} $(date "+%T.%2N ")${*}"
@@ -58,9 +58,9 @@ log() {
 info() {
     local msg_color=""
     local color_bool="${BITNAMI_COLOR:-true}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$color_bool" = 1 || "$color_bool" =~ ^(yes|true)$ ]];then
+    # converts the string to lowercase
+    local color_bool_val="${color_bool,,}"
+    if [[ "$color_bool_val" = 1 || "$color_bool_val" =~ ^(yes|true)$ ]]; then
         msg_color="$GREEN"
     fi
     log "${msg_color}INFO ${RESET} ==> ${*}"
@@ -75,9 +75,9 @@ info() {
 warn() {
     local msg_color=""
     local color_bool="${BITNAMI_COLOR:-true}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$color_bool" = 1 || "$color_bool" =~ ^(yes|true)$ ]];then
+    # converts the string to lowercase
+    local color_bool_val="${color_bool,,}"
+    if [[ "$color_bool_val" = 1 || "$color_bool_val" =~ ^(yes|true)$ ]]; then
         msg_color="$YELLOW"
     fi
     log "${msg_color}WARN ${RESET} ==> ${*}"
@@ -92,9 +92,9 @@ warn() {
 error() {
     local msg_color=""
     local color_bool="${BITNAMI_COLOR:-true}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$color_bool" = 1 || "$color_bool" =~ ^(yes|true)$ ]];then
+    # converts the string to lowercase
+    local color_bool_val="${color_bool,,}"
+    if [[ "$color_bool_val" = 1 || "$color_bool_val" =~ ^(yes|true)$ ]]; then
         msg_color="$RED"
     fi
     log "${msg_color}ERROR${RESET} ==> ${*}"
@@ -111,9 +111,9 @@ error() {
 debug() {
     local msg_color=""
     local color_bool="${BITNAMI_COLOR:-true}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$color_bool" = 1 || "$color_bool" =~ ^(yes|true)$ ]] ;then
+    # converts the string to lowercase
+    local color_bool_val="${color_bool,,}"
+    if [[ "$color_bool_val" = 1 || "$color_bool_val" =~ ^(yes|true)$ ]]; then
         msg_color="$MAGENTA"
     fi
     local debug_bool="${BITNAMI_DEBUG:-false}"
diff --git a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libnet.sh b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libnet.sh
index 004e426fba17..a1592f3bfde8 100644
--- a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libnet.sh
+++ b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libnet.sh
@@ -109,7 +109,7 @@ parse_uri() {
     # Solution based on https://tools.ietf.org/html/rfc3986#appendix-B with
     # additional sub-expressions to split authority into userinfo, host and port
     # Credits to Patryk Obara (see https://stackoverflow.com/a/45977232/6694969)
-    local -r URI_REGEX='^(([^:/?#]+):)?(//((([^@/?#]+)@)?([^:/?#]+)(:([0-9]+))?))?(/([^?#]*))?(\?([^#]*))?(#(.*))?'
+    local -r URI_REGEX='^(([^:/?#]+):)?(//((([^@/?#]+)@)?([^:/?#]+|\[[0-9a-fA-F:.]+\])(:([0-9]+))?))?(/([^?#]*))?(\?([^#]*))?(#(.*))?'
     #                    ||            |  |||            |         | |            | |         |  |        | |
     #                    |2 scheme     |  ||6 userinfo   7 host    | 9 port       | 11 rpath  |  13 query | 15 fragment
     #                    1 scheme:     |  |5 userinfo@             8 :...         10 path     12 ?...     14 #...
diff --git a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libvalidations.sh b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libvalidations.sh
index 6b392b1d1e5c..bbd31b26bb2c 100644
--- a/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libvalidations.sh
+++ b/bitnami/kafka/4.1/debian-12/prebuildfs/opt/bitnami/scripts/libvalidations.sh
@@ -52,9 +52,9 @@ is_positive_int() {
 #########################
 is_boolean_yes() {
     local -r bool="${1:-}"
-    # comparison is performed without regard to the case of alphabetic characters
-    shopt -s nocasematch
-    if [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
+    # converts the string to lowercase
+    local bool_val="${bool,,}"
+    if [[ "$bool_val" = 1 || "$bool_val" =~ ^(yes|true)$ ]]; then
         true
     else
         false