libxml2: libxml2: NULL pointer dereference parsing nextCatalog without catalog attribute

A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a nextCatalog element lacks its mandatory catalog attribute, leading to the application crashing and causing a...

CVE-2026-74304

A flaw was found in the Bluetooth subsystem of the Linux kernel, specifically within the hciqca module. This vulnerability occurs when the qcasetup function is called for hciuart devices connected through non-serdev paths, leading to a NULL pointer dereference. A local attacker could potentially...

CVE-2026-76881

A flaw was found in Wireshark. A NULL pointer dereference vulnerability exists within the CMS Cryptographic Message Syntax protocol dissector. This issue can be triggered by processing a specially crafted network capture file, leading to an application crash. A remote attacker could exploit this ...

CVE-2026-74303

A flaw was found in the Linux kernel's Bluetooth subsystem. The qcadmphdr function, when handling non-serdev devices, attempts to dereference a NULL pointer without proper validation. An attacker could potentially trigger this condition, leading to a system crash and a denial of service...

CLSA-2026-1787242456 elfutils: Fix of 3 CVEs

CVE-2024-25260: out-of-bounds global read in armmachineflagname when an ARM ELF header carries an EABI version byte greater than 5 - CVE-2025-1376: NULL pointer dereference in elfstrptr on a string section that has shsize set but no data read yet - CVE-2025-1377: NULL pointer dereference in...

CVE-2026-74274

A flaw was found in the Linux kernel's CXL Compute Express Link driver. When endpoint decoders are removed from a CXL region's target array, the driver can fail to properly fill the resulting NULL pointer holes. This can lead to the system attempting to access a NULL pointer, causing a general...

CVE-2026-74286

A flaw was found in the Linux kernel's Packet Forwarding Control Protocol PFCP module. The module fails to properly allocate per-CPU statistics, leaving a pointer uninitialized. A local attacker can exploit this by creating a PFCP rtnetlink device, which triggers a null pointer dereference. This...

CVE-2026-76928

A flaw in Wireshark's X.509IF protocol dissector allows a remote attacker to cause a Denial of Service DoS. By providing a specially crafted capture file or network stream, an attacker can crash the application, making it unavailable. Mitigation Avoid opening untrusted capture files or monitoring...

CLSA-2026-1787229627 Fix CVE(s): CVE-2026-34180, CVE-2026-42766

SECURITY UPDATE: fix ASN.1 decoder length truncation causing heap buffer over-read tasndec.c - debian/patches/CVE-2026-34180.patch: fix ASN.1 decoder length truncation causing heap buffer over-read tasndec.c - CVE-2026-34180 SECURITY UPDATE: NULL check pwri-keyDerivationAlgorithm in...

DEBIAN-CVE-2026-73199

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

CVE-2026-73199

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

CVE-2026-73199

A flaw was found in the "ipa-enrollment" SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the "JOINOID" in the "ipa-enrollment"...

CVE-2026-73199

FreeIPA 's ipa-enrollment SLAPI plugin crashes when a remote authenticated LDAP client omits the JOIN_OID request value in the extended operation, causing a null pointer dereference and server DoS. Red Hat recommends restricting LDAP network access to trusted clients or disabling the ipa-enrollme...

CVE-2026-73199 Ipa: freeipa: null pointer dereference in `ipa-enrollment` extended operation (`join_oid`) via missing request value

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

EUVD-2026-63246

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

CVE-2026-73199 Ipa: freeipa: null pointer dereference in `ipa-enrollment` extended operation (`join_oid`) via missing request value

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

CVE-2026-73199

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

CVE-2026-73199

A flaw was found in the ipa-enrollment SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol LDAP extended operation. By omitting the request value for the JOINOID in the ipa-enrollment extende...

OESA-2026-3443 libgsasl security update

The library includes support for the SASL framework and at least partial support for the CRAM-MD5, EXTERNAL, GSSAPI, ANONYMOUS, PLAIN, SECURID, DIGEST-MD5, LOGIN, and NTLM mechanisms. Security Fixes: In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and...

kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot

A flaw was found in the Linux kernel's Server-Message-Block Direct SMC-D client. A remote attacker can exploit this vulnerability by sending a specially crafted SMC-Dv2 proposal with a Channel Identifier CHID of 0. This malicious proposal can cause a null pointer dereference in the kernel's SMC...