glvd logo
glvd logo
Garden Linux Vulnerability Database
CVE Description

"Issue summary: A type confusion vulnerability exists in the signature
verification of signed PKCS#7 data where an ASN1_TYPE union member is
accessed without first validating the type, causing an invalid or NULL
pointer dereference when processing malformed PKCS#7 data.

Impact summary: An application performing signature verification of PKCS#7
data or calling directly the PKCS7_digest_from_attributes() function can be
caused to dereference an invalid or NULL pointer when reading, resulting in
a Denial of Service.

The function PKCS7_digest_from_attributes() accesses the message digest attribute
value without validating its type. When the type is not V_ASN1_OCTET_STRING,
this results in accessing invalid memory through the ASN1_TYPE union, causing
a crash.

Exploiting this vulnerability requires an attacker to provide a malformed
signed PKCS#7 to an application that verifies it. The impact of the
exploit is just a Denial of Service, the PKCS7 API is legacy and applications
should be using the CMS API instead. For these reasons the issue was
assessed as Low severity.

The FIPS modules in 3.5, 3.4, 3.3 and 3.0 are not affected by this issue,
as the PKCS#7 parsing implementation is outside the OpenSSL FIPS module
boundary.

OpenSSL 3.6, 3.5, 3.4, 3.3, 3.0, 1.1.1 and 1.0.2 are vulnerable to this issue."

Metadata

Vulnerability Status Published Date Modified Date Ingested Date
Received 2026-01-27T16:16:35.543 2026-01-27T17:16:12.553 2026-01-27 17:16:12.553+00

CVSS Scores

CVSS Version Base Score DEB CVSS Severity Vector String
3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Linux Images

Distro Version Source Package Package Version Is Vulnerable Is fixed in Version
gardenlinux kvm-cilium-k3s-1435.0-4a8f67f4 openssl 3.1.5-1 true 3.5.5-1
gardenlinux kvm-gardener-1435.0-4a8f67f4 openssl 3.1.5-1 true 3.5.5-1
gardenlinux kvm-cg2epc-gardener-1435.0-4a8f67f4 openssl 3.1.5-1 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1435.0-4a8f67f4 openssl 3.1.5-1 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1435.0-4a8f67f4 openssl 3.1.5-1 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1461.0-e82c34ca openssl 3.1.5-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-gardener-1461.0-e82c34ca openssl 3.1.5-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-cg2epc-gardener-1461.0-e82c34ca openssl 3.1.5-1gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1461.0-e82c34ca openssl 3.1.5-1gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1461.0-e82c34ca openssl 3.1.5-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1504.0-6aac186b openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-gardener-1504.0-6aac186b openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-cg2epc-gardener-1504.0-6aac186b openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1504.0-6aac186b openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1504.0-6aac186b openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1510.0-0eb2d8b0 openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-gardener-1510.0-0eb2d8b0 openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-cg2epc-gardener-1510.0-0eb2d8b0 openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1510.0-0eb2d8b0 openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1510.0-0eb2d8b0 openssl 3.2.1-3gardenlinux0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1569.0-5a8afbfa openssl 3.2.2-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-gardener-1569.0-5a8afbfa openssl 3.2.2-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-cg2epc-gardener-1569.0-5a8afbfa openssl 3.2.2-1gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1569.0-5a8afbfa openssl 3.2.2-1gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1569.0-5a8afbfa openssl 3.2.2-1gardenlinux0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1605.0-490ed850 openssl 3.3.1-2gardenlinux0 true 3.5.5-1
gardenlinux kvm-gardener-1605.0-490ed850 openssl 3.3.1-2gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-vhost-1605.0-490ed850 openssl 3.3.1-2gardenlinux0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-1605.0-490ed850 openssl 3.3.1-2gardenlinux0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1721.0-9802b525 openssl 3.3.2-2gl0 true 3.5.5-1
gardenlinux kvm-gardener-1721.0-9802b525 openssl 3.3.2-2gl0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-ucode-vhost-1721.0-9802b525 openssl 3.3.2-2gl0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-ucode-1721.0-9802b525 openssl 3.3.2-2gl0 true 3.5.5-1
debian_linux 13 openssl 3.5.4-1~deb13u1 true 3.5.5-1
debian_linux 12 openssl 3.0.18-1~deb12u1 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-router-ucode-1721.0-9802b525 openssl 3.3.2-2gl0 true 3.5.5-1
gardenlinux kvm-cilium-k3s-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
gardenlinux kvm-gardener-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
gardenlinux pt-gardener-nvgpu-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-ucode-vhost-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-ucode-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
gardenlinux metal-cilium-k3s-osc-router-ucode-1862.0-6be879c6 openssl 3.5.0-1gl0 true 3.5.5-1
debian_linux 14 openssl 3.5.4-1 true 3.5.5-1