CVE-2020-24994 Memory corruption in n/a
Remote attackers can cause denial of service or execute code via a crafted file due to stack overflow in libass.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-24994?
CVE-2020-24994 is a high-severity memory corruption vulnerability in n/a, published on 23 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-770
Which versions are affected by CVE-2020-24994?
It affects 1 product.
Linux distribution packages (4)
libass SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | All versions | 0.14.0-3.6.1 |
libass SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | All versions | 0.14.0-3.6.1 |
libass openSUSE:Leap 15.2 | All versions | 0.14.0-lp152.4.6.1 |
libass openSUSE:Leap 15.3 | All versions | 0.14.0-3.6.1 |
Products include Libass Project Libass.
How do I fix CVE-2020-24994?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-24994 being exploited?
There is no known exploitation of CVE-2020-24994 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-24994, GHSA-qrhf-wgfc-f8cx, JLSEC-2026-154, SUSE-SU-2021:1664-1, UBUNTU-CVE-2020-24994, openSUSE-SU-2021:0773-1 and 1 more.