GHSA-5h8x-q9qp-crv3MediumCVSS 5.5
libansilove 1.3.0 through 1.4.2 contains a NULL pointer dereference vulnerability in...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2026-111144
- https://github.com/ansilove/libansilove
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/drawchar.c#L28-L35
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L119-L166
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L224-L232
- https://hackmd.io/@haind-pwn/libansilove-xbin-rle-oob-read-and-null-font-deref
- https://www.vulncheck.com/advisories/libansilove-1.3.0-through-1.4.2-null-pointer-dereference-via-ansilove-xbin
- https://github.com/advisories/GHSA-5h8x-q9qp-crv3