CVE-2020-24994

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4ePatch, Third Party Advisory
https://github.com/libass/libass/issues/422Patch, Third Party Advisory
https://github.com/libass/libass/issues/422#issuecomment-806002919Issue Tracking, Patch, Third Party Advisory
https://github.com/libass/libass/issues/423Third Party Advisory
https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4ePatch, Third Party Advisory
https://github.com/libass/libass/issues/422Patch, Third Party Advisory
https://github.com/libass/libass/issues/422#issuecomment-806002919Issue Tracking, Patch, Third Party Advisory
https://github.com/libass/libass/issues/423Third Party Advisory

Timeline

Published: Mar 23, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-249957.8Buffer overflow vulnerability in sniff_channel_order function in aacdec_template.c in ffmpeg 3.1.2, allows attackers to execute arbitrary co CVE-2020-249967.8There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for CVE-2020-249997.8There is an invalid memory access in the function fprintf located in Error.cc in Xpdf 4.0.2. It can be triggered by sending a crafted PDF fi CVE-2020-25006.5This improper access control vulnerability in Helpdesk allows attackers to get control of QNAP Kayako service. Attackers can access the sens CVE-2020-250049.8Heybbs v1.2 has a SQL injection vulnerability in user.php file via the ID parameter which may allow a remote attacker to execute arbitrary c CVE-2020-250059.8Heybbs v1.2 has a SQL injection vulnerability in msg.php file via the ID parameter which may allow a remote attacker to execute arbitrary co CVE-2020-250069.8Heybbs v1.2 has a SQL injection vulnerability in login.php file via the username parameter which may allow a remote attacker to execute arbi CVE-2020-25019.8A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vu CVE-2020-250109.8An arbitrary code execution vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device Servers Software Version:R000 CVE-2020-250119.8A sensitive information disclosure vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device Servers Software Versi CVE-2020-250137.5JetBrains ToolBox before version 1.18 is vulnerable to a Denial of Service attack via a browser protocol handler.CVE-2020-250149.8A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55