CVE-2026-111144libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin
Updated under an hour ago ()
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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.
- CVSS
- 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
ansilove libansilove ansilove:libansilove (from the name) | from 1.3.0 through 1.4.2 | CNA record |
References
- https://hackmd.io/@haind-pwn/libansilove-xbin-rle-oob-read-and-null-font-dereftechnical-description, exploit
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L119-L166technical-description
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/loaders/xbin.c#L224-L232technical-description
- https://github.com/ansilove/libansilove/blob/f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3/src/drawchar.c#L28-L35technical-description
- https://github.com/ansilove/libansiloveproduct
- https://www.vulncheck.com/advisories/libansilove-1.3.0-through-1.4.2-null-pointer-dereference-via-ansilove-xbinthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.