A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbistrndupiconvucs2 of the file src/conv.c. The manipulation of the argument srclength leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue (CVE-2025-2173). A vulnerability classified as critical has been found in libzvbi up to 0.2.43. This affects the function vbicapturesimloadcaption of the file src/io-sim.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue(A vulnerability classified as critical has been found in libzvbi up to 0.2.43. This affects the function vbicapturesimloadcaption of the file src/io-sim.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue (CVE-2025-2176). A vulnerability was found in libzvbi up to 0.2.43. It has been rated as problematic. Affected by this issue is the function vbistrndupiconv. The manipulation leads to integer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue (CVE-2025-2175). A vulnerability classified as critical was found in libzvbi up to 0.2.43. This vulnerability affects the function vbisearchnew of the file src/search.c. The manipulation of the argument patlen leads to integer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue (CVE-2025-2177) A vulnerability was found in libzvbi up to 0.2.43. It has been declared as problematic. Affected by this vulnerability is the function vbistrndupiconvucs2 of the file src/conv.c. The manipulation of the argument srclength leads to integer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue (CVE-2025-2174).