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CVE-2020-24994

Good to know:

Date: March 23, 2021

Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.

Language: C

Severity Score

8.8

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-24994

Url: https://github.com/libass/libass/issues/422

Url: https://github.com/libass/libass/issues/422#issuecomment-806002919

Url: https://github.com/libass/libass/issues/423

Url: https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e

Url: https://security-tracker.debian.org/tracker/CVE-2020-24994

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-24994

Url: https://www.mend.io/vulnerability-database/CVE-2020-24994

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version 0.15.0

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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