# Red Hat Enterprise Linux 6 vulnerabilities

Source: https://junglewise.ai/threats/technologies/enterprise-linux-6  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/enterprise-linux-6.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 56 vulnerabilities in Red Hat Enterprise Linux 6: 0 in the last 7 days and 0 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-58222, was published on 30 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 56 (3 critical, 0 exploited in the wild)

## About Red Hat Enterprise Linux 6

Enterprise Linux 6 is a Linux distribution released by Red Hat for enterprise server environments.

## Latest Red Hat Enterprise Linux 6 vulnerabilities

- [CVE-2026-58222: Samba AD DC LDAP filter injection and ACL bypass in Compare requests](https://junglewise.ai/threats/cve-2026-58222-samba-ad-dc-ldap-filter-injection-and-acl-bypass-in-compare) (high, CVSS 8.8, published 30 Jul 2026)
- [CVE-2026-58216: Samba KDC out-of-bounds read in kpasswd service](https://junglewise.ai/threats/cve-2026-58216-samba-kdc-out-of-bounds-read-in-kpasswd-service) (medium, CVSS 5.3, published 30 Jul 2026)
- [CVE-2026-58218: Samba internal DNS server denial of service via TKEY cache exhaustion](https://junglewise.ai/threats/cve-2026-58218-samba-internal-dns-server-denial-of-service-via-tkey-cache) (medium, CVSS 5.3, published 30 Jul 2026)
- [CVE-2026-17072: GStreamer gst-plugins-good heap out-of-bounds read in Matroska demuxer](https://junglewise.ai/threats/cve-2026-17072-gstreamer-gst-plugins-good-heap-out-of-bounds-read-in-matroska) (low, CVSS 3.3, published 28 Jul 2026)
- [CVE-2026-66759: GNOME GIMP out-of-bounds read in file-icns plugin](https://junglewise.ai/threats/cve-2026-66759-gnome-gimp-out-of-bounds-read-in-file-icns-plugin) (high, CVSS 7.1, published 27 Jul 2026)
- [CVE-2026-15003: GNU Binutils heap overflow in linker XCOFF processing](https://junglewise.ai/threats/cve-2026-15003-gnu-binutils-heap-overflow-in-linker-xcoff-processing) (medium, CVSS 5.6, published 27 Jul 2026)
- [CVE-2026-6390: GNU nano format string vulnerability in multi-buffer error handling](https://junglewise.ai/threats/cve-2026-6390-gnu-nano-format-string-vulnerability-in-multi-buffer-error) (medium, CVSS 6.8, published 23 Jul 2026)
- [CVE-2026-16517: libarchive signed integer overflow in ZIP writer](https://junglewise.ai/threats/cve-2026-16517-libarchive-signed-integer-overflow-in-zip-writer) (low, CVSS 2.9, published 21 Jul 2026)
- [CVE-2026-15588: GNOME GLib denial of service in GDBus authentication](https://junglewise.ai/threats/cve-2026-15588-gnome-glib-denial-of-service-in-gdbus-authentication) (medium, CVSS 5.3, published 20 Jul 2026)
- [CVE-2026-3842: QEMU out-of-bounds write in hyperv/syndbg memory mapping](https://junglewise.ai/threats/cve-2026-3842-qemu-out-of-bounds-write-in-hyperv-syndbg-memory-mapping) (high, CVSS 7.8, published 16 Jul 2026)
- [CVE-2026-58016: GNOME GLib out-of-bounds read in D-Bus introspection XML parsing](https://junglewise.ai/threats/cve-2026-58016-gnome-glib-out-of-bounds-read-in-d-bus-introspection-xml-parsing) (high, CVSS 7.5, published 30 Jun 2026)
- [CVE-2026-58015: GLib path traversal in GDBus DBUS_COOKIE_SHA1 authentication](https://junglewise.ai/threats/cve-2026-58015-glib-path-traversal-in-gdbus-dbus-cookie-sha1-authentication) (medium, CVSS 5.9, published 30 Jun 2026)
- [CVE-2026-58014: GNOME GLib off-by-one error in g_key_file_get_locale_string_list](https://junglewise.ai/threats/cve-2026-58014-gnome-glib-off-by-one-error-in-g-key-file-get-locale-string-list) (high, CVSS 7.3, published 30 Jun 2026)
- [CVE-2026-58013: GNOME GLib buffer over-read in g_io_channel_read_line_backend](https://junglewise.ai/threats/cve-2026-58013-gnome-glib-buffer-over-read-in-g-io-channel-read-line-backend) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-58012: GNOME GLib buffer over-read in g_regex_replace](https://junglewise.ai/threats/cve-2026-58012-gnome-glib-buffer-over-read-in-g-regex-replace) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-58011: GNOME GLib out-of-bounds read in g_date_time_get_ymd](https://junglewise.ai/threats/cve-2026-58011-gnome-glib-out-of-bounds-read-in-g-date-time-get-ymd) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-58010: GLib off-by-one error in GVariant serializer](https://junglewise.ai/threats/cve-2026-58010-glib-off-by-one-error-in-gvariant-serializer) (medium, CVSS 6.5, published 30 Jun 2026)
- [CVE-2026-13757: p11-kit stack exhaustion via uncontrolled recursion in RPC attribute parsing](https://junglewise.ai/threats/cve-2026-13757-p11-kit-stack-exhaustion-via-uncontrolled-recursion-in-rpc) (medium, CVSS 6.2, published 29 Jun 2026)
- [CVE-2026-57966: Red Hat spice-vdagent path traversal in file transfer](https://junglewise.ai/threats/cve-2026-57966-red-hat-spice-vdagent-path-traversal-in-file-transfer) (medium, CVSS 4.4, published 29 Jun 2026)
- [CVE-2026-57965: Red Hat spice-vdagent integer overflow in udscs_write](https://junglewise.ai/threats/cve-2026-57965-red-hat-spice-vdagent-integer-overflow-in-udscs-write) (medium, CVSS 5.1, published 29 Jun 2026)
- [CVE-2026-55655: OpenSSH X11 forwarding connection hijack via abstract UNIX socket](https://junglewise.ai/threats/cve-2026-55655-openssh-x11-forwarding-connection-hijack-via-abstract-unix-socket) (medium, CVSS 5, published 23 Jun 2026)
- [CVE-2026-55654: OpenSSH heap out-of-bounds read in GSSAPI indicator cleanup](https://junglewise.ai/threats/cve-2026-55654-openssh-heap-out-of-bounds-read-in-gssapi-indicator-cleanup) (low, CVSS 3.7, published 23 Jun 2026)
- [CVE-2026-55653: OpenSSH double free in DH-GEX client during FIPS validation](https://junglewise.ai/threats/cve-2026-55653-openssh-double-free-in-dh-gex-client-during-fips-validation) (medium, CVSS 4.3, published 23 Jun 2026)
- [CVE-2026-3195: QEMU heap overflow in virtio-snd device](https://junglewise.ai/threats/cve-2026-3195-qemu-heap-overflow-in-virtio-snd-device) (high, CVSS 7.4, published 19 Jun 2026)
- [CVE-2026-2604: GNOME Evolution Data Server arbitrary file deletion in addressbook backend](https://junglewise.ai/threats/cve-2026-2604-gnome-evolution-data-server-arbitrary-file-deletion-in-addressbook) (medium, CVSS 5.6, published 17 Jun 2026)

## Most severe Red Hat Enterprise Linux 6 vulnerabilities

- [CVE-2026-20911: LibRaw heap buffer overflow in HuffTable::initval](https://junglewise.ai/threats/cve-2026-20911-libraw-heap-buffer-overflow-in-hufftable-initval) (critical, CVSS 9.8, published 7 Apr 2026)
- [CVE-2026-22853: FreeRDP heap buffer overflow in RDPEAR NDR array reader](https://junglewise.ai/threats/cve-2026-22853-freerdp-heap-buffer-overflow-in-rdpear-ndr-array-reader) (critical, CVSS 9.8, published 14 Jan 2026)
- [CVE-2026-42216: AcademySoftwareFoundation OpenEXR out-of-bounds read in IDManifest](https://junglewise.ai/threats/cve-2026-42216-academysoftwarefoundation-openexr-out-of-bounds-read-in) (critical, CVSS 9.1, published 7 May 2026)
- [CVE-2026-58222: Samba AD DC LDAP filter injection and ACL bypass in Compare requests](https://junglewise.ai/threats/cve-2026-58222-samba-ad-dc-ldap-filter-injection-and-acl-bypass-in-compare) (high, CVSS 8.8, published 30 Jul 2026)
- [CVE-2026-25965: ImageMagick path traversal policy bypass in path security policy](https://junglewise.ai/threats/cve-2026-25965-imagemagick-path-traversal-policy-bypass-in-path-security-policy) (high, CVSS 8.6, published 24 Feb 2026)
- [CVE-2016-7543: GNU Bash privilege escalation via SHELLOPTS and PS4 variables](https://junglewise.ai/threats/cve-2016-7543-gnu-bash-privilege-escalation-via-shellopts-and-ps4-variables) (high, CVSS 8.4, published 19 Jan 2017)
- [CVE-2026-25794: ImageMagick heap overflow in WriteUHDRImage](https://junglewise.ai/threats/cve-2026-25794-imagemagick-heap-overflow-in-writeuhdrimage) (high, CVSS 8.2, published 24 Feb 2026)
- [CVE-2026-26740: giflib buffer overflow in EGifGCBToExtension](https://junglewise.ai/threats/cve-2026-26740-giflib-buffer-overflow-in-egifgcbtoextension) (high, CVSS 8.2, published 18 Mar 2026)
- [CVE-2026-23876: ImageMagick heap buffer overflow in XBM image decoder](https://junglewise.ai/threats/cve-2026-23876-imagemagick-heap-buffer-overflow-in-xbm-image-decoder) (high, CVSS 8.1, published 20 Jan 2026)
- [CVE-2026-24660: LibRaw heap buffer overflow in x3f_load_huffman](https://junglewise.ai/threats/cve-2026-24660-libraw-heap-buffer-overflow-in-x3f-load-huffman) (high, CVSS 8.1, published 7 Apr 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Red Hat technologies

- [Red Hat Enterprise Linux 9](https://junglewise.ai/threats/technologies/enterprise-linux-9): 146 vulnerabilities
- [Red Hat Enterprise Linux 10](https://junglewise.ai/threats/technologies/enterprise-linux-10): 140 vulnerabilities
- [Red Hat Enterprise Linux 8](https://junglewise.ai/threats/technologies/enterprise-linux-8): 132 vulnerabilities
- [Red Hat Keycloak](https://junglewise.ai/threats/technologies/red-hat-keycloak): 102 vulnerabilities
- [Red Hat Enterprise Linux 7](https://junglewise.ai/threats/technologies/enterprise-linux-7): 68 vulnerabilities
- [Red Hat Build of Keycloak](https://junglewise.ai/threats/technologies/red-hat-build-of-keycloak): 55 vulnerabilities
- [Red Hat Enterprise Linux AppStream](https://junglewise.ai/threats/technologies/enterprise-linux-appstream): 46 vulnerabilities
- [Red Hat Ansible Automation Platform](https://junglewise.ai/threats/technologies/ansible-automation-platform-2): 44 vulnerabilities
- [Red Hat OpenShift Container Platform 4](https://junglewise.ai/threats/technologies/openshift-container-platform-4): 36 vulnerabilities
- [Red Hat Developer Hub](https://junglewise.ai/threats/technologies/developer-hub): 28 vulnerabilities
- [Red Hat Quay](https://junglewise.ai/threats/technologies/quay-3-12): 20 vulnerabilities
- [Red Hat Multicluster Global Hub](https://junglewise.ai/threats/technologies/multicluster-global-hub): 19 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Red Hat Enterprise Linux 6 vulnerabilities", https://junglewise.ai/threats/technologies/enterprise-linux-6, 13 November 2026.