CVE-2026-63686: NULL Pointer Dereference

A NULL pointer dereference in modxml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to...

AlmaLinux 9.2 [TuxCare] Security Update: haproxy (ALMALINUX9.2:CLSA-2026:1783527210)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783527210 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c...

AlmaLinux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2026:1782820521)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782820521 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c...

Rocky Linux 9.6 [TuxCare] Security Update: haproxy (ALMALINUX9.6:CLSA-2026:1782820521)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782820521 advisory. - HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl....

AlmaLinux 9.6 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1778140717)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778140717 advisory. - vim is vulnerable to Heap-based Buffer Overflow CVE-2022-0158 - NULL Pointer Dereference in GitHub repository vim/vim prior to...

AlmaLinux 9.2 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778009078)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778009078 advisory. - vim is vulnerable to Use of Uninitialized Variable CVE-2021-3928 - vim is vulnerable to Use After Free CVE-2021-3974 - Use after...

AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778266904)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778266904 advisory. - In the Linux kernel, the following vulnerability has been resolved: samples/landlock: Fix pathlist memory leak Clang static analys...

CentOS Linux 7 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal Multiple Vulnerabilities (CENTOS7:CLSA-2026:1777544441)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1777544441 advisory. - vim is vulnerable to Use After Free CVE-2021-3796 - vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3973 - Use After Free in...

Rocky Linux 9 [CIQ] Security Update: 389-ds-base / 389-ds-base-debuginfo / 389-ds-base-debugsource / etc (crlsa-2025_4491)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20254491 advisory. 389-ds-base: null pointer dereference leads to denial of service CVE-2025-2487 Tenable has extracted the preceding description block directly from the CIQ security...

AlmaLinux 9.2 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2024:1711475067)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1711475067 advisory. - A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated...

Rocky Linux 8 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2021_2569)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20212569 advisory. libxml2: Use-after-free in xmlEncodeEntitiesInternal in entities.c CVE-2021-3516 libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal in...

Rocky Linux 9.6 [TuxCare] Security Update: wavpack / wavpack-devel (ALMALINUX9.6:CLSA-2026:1785754254)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785754254 advisory. - A null pointer dereference bug was found in wavpack-5.4.0 The results from the ASAN log: AddressSanitizer:DEADLYSIGNAL...

Rocky Linux 9 [CIQ] Security Update: mutt / mutt-debuginfo / mutt-debugsource Multiple Vulnerabilities (crlsa-2024_2290)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20242290 advisory. mutt: null pointer dereference CVE-2023-4874 mutt: null pointer dereference CVE-2023-4875 Tenable has extracted the preceding description block directly fr...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1777396609)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777396609 advisory. - Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen...

Rocky Linux 8 [CIQ] Security Update: gstreamer1-plugins-base / gstreamer1-plugins-base-debuginfo / etc (crlsa-2026_67145)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202667145 advisory. gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in gstrtspmessageparseauthcredentials when parsing a crafted Digest...

Rocky Linux 9.6 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-static / python3-libxml2 (ALMALINUX9.6:CLSA-2026:1779225366)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779225366 advisory. - NULL Pointer Dereference allows attackers to cause a denial of service or application crash. This only applies when lxml is used together...

Rocky Linux 8 [CIQ] Security Update: libtiff / libtiff-debuginfo / libtiff-debugsource / libtiff-devel / etc (crlsa-2024_8833)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20248833 advisory. libtiff: NULL pointer dereference in tifdirinfo.c CVE-2024-7006 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note...

CentOS Linux 8.4 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-static / python3-libxml2 Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1789668422)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1789668422 advisory. - In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow. CVE-2026-86140 - xmlregexp in...

CentOS Linux 6 [TuxCare] Security Update: lemon / sqlite / sqlite-devel / sqlite-doc / sqlite-tcl (CENTOS6:CLSA-2026:1777106754)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1777106754 advisory. - In SQLite through 3.22.0, databases whose schema is corrupted using a CREATE TABLE AS statement could cause a NULL pointer dereference, related...

Rocky Linux 8 [CIQ] Security Update: openldap / openldap-clients / openldap-clients-debuginfo / etc (crlsa-2024_4264)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20244264 advisory. openldap: null pointer dereference in bermemallocx function CVE-2023-2953 Tenable has extracted the preceding description block directly from the CIQ security...