libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-002290 advisory.

    libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and     process_text) because the wrong integer data type is used for subtraction.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-202208-13 (libass: Denial of service)

  - libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and     process_text) because the wrong integer data type is used for subtraction. (CVE-2020-36430)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:1174-1 advisory.

  - libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and     process_text) because the wrong integer data type is used for subtraction. (CVE-2020-36430)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:2792-1 advisory.

  - libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and     process_text) because the wrong integer data type is used for subtraction. (CVE-2020-36430)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:2792-1 advisory.

    - CVE-2020-36430: Fixed heap-based buffer overflow in decode_chars (bsc#1188539).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
341226	Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: libass (UTSA-2025-002290)	Nessus	Unity Linux Local Security Checks	Local	high
163983	GLSA-202208-13 : libass: Denial of service	Nessus	Gentoo Local Security Checks	Local	high
152722	openSUSE 15 Security Update : libass (openSUSE-SU-2021:1174-1)	Nessus	SuSE Local Security Checks	Local	high
152720	openSUSE 15 Security Update : libass (openSUSE-SU-2021:2792-1)	Nessus	SuSE Local Security Checks	Local	high
152718	SUSE SLED15 / SLES15 Security Update : libass (SUSE-SU-2021:2792-1)	Nessus	SuSE Local Security Checks	Local	high

Detections

Analytics

CVE-2020-36430

high

Tenable Plugins

high

high

high

high

high