Aggregates CVE and security vulnerability intelligence across all opensc_project-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk buffer overflow, vendor risk memory corruption, and vendor risk path handling and related problems; some flaws may lead to vendor impact memory corruption.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-40528 | OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the do_key_value() 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 beginning with '=' followed by more than sizeof(keybuf) characters is copied into keybuf via memcpy without a length check, causing both stack and heap buffer overruns. | [email protected] | 1.0 | 0.01% | 2026-05-29 | 2026-06-03 |
| CVE-2026-40510 | OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in piv_process_history() in src/libopensc/card-piv.c that allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device returning a URL field longer than 118 bytes in the Key History Object ASN.1 response. | [email protected] | 1.0 | 0.01% | 2026-05-29 | 2026-06-03 |
| CVE-2025-66215 | OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0. | [email protected] | 3.8 | 0.02% | 2026-03-30 | 2026-04-01 |
| CVE-2025-66038 | OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, sc_compacttlv_find_tag searches a compact-TLV buffer for a given tag. In compact-TLV, a single byte encodes the tag (high nibble) and value length (low nibble). With a 1-byte buffer {0x0A}, the encoded element claims tag=0 and length=10 but no value bytes follow. Calling sc_compacttlv_find_tag with search tag 0x00 returns a pointer equal to buf+1 and outlen=10 without verifying that the claimed value length fits w | [email protected] | 3.9 | 0.01% | 2026-03-30 | 2026-04-01 |
| CVE-2025-66037 | OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to the fuzz_pkcs15_reader harness causes OpenSC to perform an out-of-bounds heap read in the X.509/SPKI handling path. Specifically, sc_pkcs15_pubkey_from_spki_fields() allocates a zero-length buffer and then reads one byte past the end of that allocation. This issue has been patched in version 0.27.0. | [email protected] | 3.9 | 0.01% | 2026-03-30 | 2026-04-01 |
| CVE-2025-49010 | OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow write in GET RESPONSE. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0. | [email protected] | 3.8 | 0.02% | 2026-03-30 | 2026-04-01 |
| CVE-2024-8443 | A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the `pkcs15-init` tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution. | [email protected] | 2.9 | 0.15% | 2024-09-10 | 2025-11-03 |
| CVE-2024-45620 | A vulnerability was found in the pkcs15-init tool in OpenSC. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. When buffers are partially filled with data, initialized parts of the buffer can be incorrectly accessed. | [email protected] | 3.9 | 0.06% | 2024-09-03 | 2025-11-03 |
| CVE-2024-45619 | A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. When buffers are partially filled with data, initialized parts of the buffer can be incorrectly accessed. | [email protected] | 4.3 | 0.06% | 2024-09-03 | 2025-11-03 |
| CVE-2024-45618 | A vulnerability was found in pkcs15-init in OpenSC. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. Insufficient or missing checking of return values of functions leads to unexpected work with variables that have not been initialized. | [email protected] | 3.9 | 0.08% | 2024-09-03 | 2025-11-03 |
| CVE-2024-45617 | A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. Insufficient or missing checking of return values of functions leads to unexpected work with variables that have not been initialized. | [email protected] | 3.9 | 0.14% | 2024-09-03 | 2025-11-03 |
| CVE-2024-45616 | A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. The following problems were caused by insufficient control of the response APDU buffer and its length when communicating with the card. | [email protected] | 3.9 | 0.08% | 2024-09-03 | 2025-11-03 |
| CVE-2024-45615 | A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. The problem is missing initialization of variables expected to be initialized (as arguments to other functions, etc.). | [email protected] | 3.9 | 0.08% | 2024-09-03 | 2025-11-03 |
| CVE-2024-1454 | The use-after-free vulnerability was found in the AuthentIC driver in OpenSC packages, occuring in the card enrolment process using pkcs15-init when a user or administrator enrols or modifies cards. An attacker must have physical access to the computer system and requires a crafted USB device or smart card to present the system with specially crafted responses to the APDUs, which are considered high complexity and low severity. This manipulation can allow for compromised card management operatio | [email protected] | 3.4 | 0.08% | 2024-02-12 | 2025-11-03 |
| CVE-2023-5992 | A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data. | [email protected] | 5.6 | 0.29% | 2024-01-31 | 2025-11-03 |
| CVE-2023-4535 | An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security. | [email protected] | 4.5 | 0.23% | 2023-11-06 | 2024-11-21 |
| CVE-2023-40661 | Several memory vulnerabilities were identified within the OpenSC packages, particularly in the card enrollment process using pkcs15-init when a user or administrator enrolls cards. To take advantage of these flaws, an attacker must have physical access to the computer system and employ a custom-crafted USB device or smart card to manipulate responses to APDUs. This manipulation can potentially allow compromise key generation, certificate loading, and other card management operations during enr | [email protected] | 5.4 | 0.32% | 2023-11-06 | 2025-11-03 |
| CVE-2023-40660 | A flaw was found in OpenSC packages that allow a potential PIN bypass. When a token/card is authenticated by one process, it can perform cryptographic operations in other processes when an empty zero-length pin is passed. This issue poses a security risk, particularly for OS logon/screen unlock and for small, permanently connected tokens to computers. Additionally, the token can internally track login status. This flaw allows an attacker to gain unauthorized access, carry out malicious actions, | [email protected] | 6.6 | 0.03% | 2023-11-06 | 2025-11-03 |
| CVE-2021-34193 | Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs. | [email protected] | 7.5 | 0.65% | 2023-08-22 | 2025-11-03 |
| CVE-2023-2977 | A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context. The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In cases where ASAN is enabled while compiling this causes a crash. Further info leak or mor | [email protected] | 7.1 | 0.02% | 2023-06-01 | 2025-11-03 |