CVE-2026-111144
libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
libansilove 1.3.0 through 1.4.2 contains a NULL pointer dereference vulnerability in ansilove_xbin() that allows attackers to crash applications by supplying a crafted XBIN file. Attackers can set the 512-character flag without the custom-font flag, causing drawchar() to index a NULL high_font_data_xbin pointer and terminate the process.
| CWE | CWE-476 |
| Vendor | ansilove |
| Product | libansilove |
| Published | Oct 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for ansilove libansilove
Be the first to know when new medium vulnerabilities affecting ansilove libansilove are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ansilove / libansilove
1.3.0 ≤ 1.4.2
References
hackmd.io: https://hackmd.io/@haind-pwn/libansilove-xbin-rle-oob-read-and-null-font-deref github.com: https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L119-L166 github.com: https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L224-L232 github.com: https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/drawchar.c#L28-L35 github.com: https://github.com/ansilove/libansilove vulncheck.com: https://www.vulncheck.com/advisories/libansilove-1.3.0-through-1.4.2-null-pointer-dereference-via-ansilove-xbin
Credits
HaiND from the Post and Telecommunication Institute of Technology