libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin

{
  "id": "c38a12d507bc9bc53b1219c7fe0231e1c09e90e2b94c365feb70d5de57a01d54",
  "url": "https://osv.dev/vulnerability/CVE-2026-111144",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin",
    "summary": "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.",
    "evidence": "osv:CVE-2026-111144",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-111144",
      "aliases": [
        "CVE-2026-111144"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ansilove/libansilove",
              "type": "GIT",
              "events": [
                {
                  "introduced": "04fab9ff04d5150b963144bfff5ce608dafe1617"
                },
                {
                  "last_affected": "f1b05447aa566aa4eef9b05ebf8c2aaf1e379cd3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.3.0"
                      },
                      {
                        "last_affected": "1.4.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.3.0"
                      },
                      {
                        "last_affected": "1.4.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.3.1",
            "1.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111144.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.746166176Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111144.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111144",
        "https://www.vulncheck.com/advisories/libansilove-1.3.0-through-1.4.2-null-pointer-dereference-via-ansilove-xbin",
        "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"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111144.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111144",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494461,
  "published_at": "2026-10-15T18:57:35.373+00:00"
}