Linux Distros Unpatched Vulnerability : CVE-2026-56114

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows...

SUSE CVE-2026-56113

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

CVE-2026-56115

Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but...

CVE-2026-56113

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

CVE-2026-56115 Bootimus 0.1.70 Broken Access Control via JWTMiddleware Authorization Bypass

Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but...

EUVD-2026-38492

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56114 dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage()

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56114 dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage()

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56114

CVE-2026-56114 affects dhcpcd up to 10.3.2; the issue is a one-byte stack out-of-bounds write in dhcp6_makemessage() caused by serializing an oversized RFC6603 OPTION_PD_EXCLUDE body in a crafted DHCPv6 ADVERTISE with IA_PD IAPREFIX /0. The vulnerability can allow an unauthenticated same-link att...

CVE-2026-56114 dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage()

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56113 dhcpcd Heap Use-After-Free in dhcp6_deprecateaddrs via DHCPv6 RENEW

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

CVE-2026-56113 dhcpcd Heap Use-After-Free in dhcp6_deprecateaddrs via DHCPv6 RENEW

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

CVE-2026-56113

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

CVE-2026-56113

Summary of CVE-2026-56113 : The dhcpcd project (up to version 10.3.2) contains a heap use-after-free vulnerability in the DHCPv6 path. Specifically, in dhcp6_deprecateaddrs(), when processing a crafted DHCPv6 RENEW reply (using RFC6603 OPTION_PD_EXCLUDE) with both the preferred and valid lifetime...

PT-2026-51563

Name of the Vulnerable Software and Affected Versions dhcpcd versions prior to 10.3.2 Description A one-byte stack out-of-bounds write exists in the dhcp6 makemessage function within src/dhcp6.c. Unauthenticated attackers on the same link can trigger this by serializing an oversized RFC6603 OPTIO...

PT-2026-51564

Name of the Vulnerable Software and Affected Versions Bootimus versions 0.1.0 through 0.1.70 dhcpcd versions 1.0 through 10.3.2 Description Bootimus contains a broken access control issue where the JWTMiddleware function in internal/auth/auth.go fails to inspect the is admin flag. This allows...

RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()

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CVE-2026-46127

In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdmacopypduresp Sashiko points out that pd-uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NU...

CVE-2026-46127

CVE-2026-46127 affects the Linux kernel RDMA/ocrdma; the bug is a NULL dereference in ocrdma_copy_pd_uresp() when uctx is uninitialized, potentially causing a crash. Connected sources indicate patches exist in multiple OSV entries (Root:rootio-linux for Ubuntu 24.04 and Debian 11/12, OpenSUSE/ope...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: The parent reference count is dropped after pdfreefn is called. Some cgroup policies will access the parent PD through the child PD even after pdofflinefn is called. If pdfreefn for the parent is called before that fo...