Ansilove up to 1.4.2 XBIN Loader src/loaders/xbin.c ansilove_xbin out-of-bounds

Summaryinfo

A vulnerability was found in Ansilove up to 1.4.2. It has been declared as critical. Impacted is the function ansilove_xbin of the file src/loaders/xbin.c of the component XBIN Loader. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2026-111143. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Ansilove up to 1.4.2. This vulnerability affects the function ansilove_xbin of the file src/loaders/xbin.c of the component XBIN Loader. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Ansilove libansilove through 1.4.2 contains an out-of-bounds read vulnerability in ansilove_xbin() in src/loaders/xbin.c that lacks bounds checks for compressed run-length records. Attackers can supply a crafted compressed XBIN file ending in a control byte such as 0x7F to read past the input buffer, crashing applications that render untrusted XBIN art.

The advisory is shared for download at hackmd.io. This vulnerability was named CVE-2026-111143 since 10/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• Ansilove

Version

• 1.4.0
• 1.4.1
• 1.4.2

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