CVE-2022-26981 Memory corruption in n/a
A buffer overflow in the Liblouis library allows attackers to execute arbitrary code or cause denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-26981?
CVE-2022-26981 is a high-severity memory corruption vulnerability in Apple Ipados, published on 13 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).
Weakness: CWE-120
Which versions are affected by CVE-2022-26981?
It affects 7 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos, Fedoraproject Fedora and 1 more.
How do I fix CVE-2022-26981?
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-2022-26981 being exploited?
There is no known exploitation of CVE-2022-26981 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as CLSA-2026-1784221215, CLSA-2026-1784292256, DEBIAN-CVE-2022-26981, GHSA-xrp8-mw8v-p6mq, OESA-2023-1920, OESA-2023-1949 and 1 more.