The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.

OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.

Atos Unify OpenScape UC Web Client V9 before version V9 R4.31.0 and V10 before version V10 R0.6.0 allows remote attackers to obtain sensitive information. By iterating the value of conferenceId to getMailFunction in the JSON API, one can enumerate all conferences scheduled on the platform, with their numbers and access PINs.

Atos Unify OpenScape UC Application V9 before version V9 R4.31.0 and V10 before version V10 R0.6.0 allows XSS. An attacker could exploit this by convincing an authenticated user to inject arbitrary JavaScript code in the Profile Name field. A browser would execute this stored XSS payload.

OpenSC OpenSC.tokend has an Arbitrary File Creation/Overwrite Vulnerability

Unify OpenStage/OpenScape Desk Phone IP SIP before V3 R3.11.0 has an authentication bypass in the default mode of the Workpoint Interface

Unify OpenStage / OpenScape Desk Phone IP before V3 R3.11.0 SIP has an OS command injection vulnerability in the web based management interface

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.