Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

CVE-2026-39836

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL 0...

CVE-2026-39836 Panic in Dial and LookupPort when handling NUL byte on Windows in net

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL 0...

CVE-2026-39836 Panic in Dial and LookupPort when handling NUL byte on Windows in net

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL 0...

JLSEC-2026-484

libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tifopen.c...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

kernel: ALSA: aloop: Fix racy access at PCM trigger

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since both check and stop operations are...

CLSA-2026-1778174697 httpd: Fix of 9 CVEs

CVE-2026-24072: fix modrewrite apexpr privilege escalation in htaccess - CVE-2026-28780: fix modproxyajp ajpmsgcheckheader buffer over-read - CVE-2026-29169: fix moddavlock NULL pointer dereference - CVE-2026-33006: fix modauthdigest timing attack - CVE-2026-33007: fix modauthnsocache NULL...

CVE-2026-44602

A flaw was found in Tor. A remote attacker could exploit this vulnerability by sending a specially crafted CERT cell out of order, leading to a NULL pointer dereference. This issue can cause a denial of service DoS, making the Tor service unavailable to legitimate users...

CVE-2026-42010

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-42010 Gnutls: gnutls: authentication bypass via nul character in username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-42010

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

CVE-2026-43861

A flaw was found in mutt, an email client. The urlpctdecode function, which is responsible for decoding URL-encoded strings, does not correctly handle null termination characters. This vulnerability could allow a remote attacker, to manipulate how URLs are processed, potentially leading to a...

CLSA-2026-1778140717 vim: Fix of 10 CVEs

CVE-2022-0158: fix Vim9 reading before start of line with single $ - CVE-2022-0696: fix crash when switching tabpage in cmdline window - CVE-2022-1674: fix crash when matching buffer with invalid pattern - CVE-2022-1725: fix using NULL regexp program in buffer matching - CVE-2022-1771: fix...

CLSA-2026-1778142227 nginx: Fix of 2 CVEs

CVE-2026-27651: fix null pointer dereference in ngxmailauthhttpmodule when authentication retry is enabled with CRAM-MD5 or APOP - CVE-2026-32647: fix buffer over-read/write in ngxhttpmp4module when processing crafted mp4 files with empty stco/co64 atoms...

Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

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drm/amdgpu: fix NULL pointer issue buffer funcs

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CLSA-2026-1778132770 unzip: Fix of 2 CVEs

CVE-2022-0529: fix heap-based buffer overflow in widetolocalstring - CVE-2022-0530: fix null pointer dereference on invalid UTF-8 input...

Security update for mozjs52

This update for mozjs52 fixes the following issues CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value bsc1259728. CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing bsc1259713...