AlmaLinux 9.2 [TuxCare] Security Update: opensc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1780711381)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780711381 advisory. - OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in pivprocesshistory in...

Rocky Linux 9.6 [TuxCare] Security Update: opensc (ALMALINUX9.6:CLSA-2026:1781088266)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781088266 advisory. - OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the dokeyvalue function in...

OPENSUSE-SU-2026:21873-1 Security update for opensc

This update for opensc fixes the following issues: - CVE-2026-10275: global buffer overflow during key pair generation tests due to missing input validation bsc1267246. - CVE-2026-40528: stack and heap buffer overrun in the dokeyvalue function due to missing length check allows for memory...

ANT-2026-GSDN3H7W · OpenSC · Stack Buffer Overflow

stack-buffer-overflow low CVE-2026-40528 Severity Claude low · Security research firm low · Maintainer low Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-GSDN3H7W: Stack buffer overflow in...

EUVD-2026-33320

OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the dokeyvalue function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configuration file. During pkcs15-init invocation, a key value entry...

CVE-2026-40528

OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the dokeyvalue function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configuration file. During pkcs15-init invocation, a key value entry...

CVE-2026-40528

OpenSC prior to 0.27.0 contains a stack and heap buffer overrun in do_key_value() (src/pkcs15init/profile.c). During pkcs15-init, a key value entry starting with '=' and exceeding the size of keybuf is copied via memcpy without length checking, causing memory corruption on both stack and heap. A ...

PT-2026-44841

Name of the Vulnerable Software and Affected Versions OpenSC versions prior to 0.27.0 Description A stack and heap buffer overrun occurs in the do key value function within src/pkcs15init/profile.c. This issue allows memory corruption when a crafted profile configuration file is supplied. During...

CVE-2026-40528: Stack-based Buffer Overflow

OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the dokeyvalue function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configuration file. During pkcs15-init invocation, a key value entry...