CVE-2026-71266
Last modified
CVE-2026-71266 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. tinyobjloader-c's tinyobj_parse_and_index_mtl_file (tinyobj_loader_c.h) reads each line of a .mtl material file into a fixed 4096-byte stack buffer via memcpy(linebuf, p, p_len), guarded only by . The identical vulnerable pattern is duplicated in a second function in the same file.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
tinyobjloader-c's tinyobj_parse_and_index_mtl_file (tinyobj_loader_c.h) reads each line of a .mtl material file into a fixed 4096-byte stack buffer via memcpy(linebuf, p, p_len), guarded only by . The identical vulnerable pattern is duplicated in a second function in the same file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| syoyo | tinyobjloader-c | <= * |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-71266?
How severe is CVE-2026-71266?
How do I fix CVE-2026-71266?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-71260ESPHome through 2026.7.0-dev discloses plaintext passwords v…6.5
- CVE-2026-71261dr_libs dr_wav.h (all versions through current master) conta…7.8
- CVE-2026-71262IoTSharp BlobStorageController.cs lacks the [Authorize] attr…9.8
- CVE-2026-71263The LINUXTCP port of FreeModbus contains an off-by-one bound…9.1
- CVE-2026-71264WLED's GET /json/cfg endpoint (registered in wled00/wled_ser…8.2
- CVE-2026-71265Domoticz's MochadTCP::MatchLine handler for MOCHAD_RFSEC mes…7.5
- CVE-2026-71267microtar's mtar_write_file_header and mtar_write_dir_header …9.8
- CVE-2026-71268OpenPLC Runtime v3's compile_program function (webserver/ope…9.9
- CVE-2026-71269Node-RED's local-filesystem library storage module (getLibra…7.2
- CVE-2026-7127A weakness has been identified in SourceCodester Pharmacy Sa…7.3
- CVE-2026-71270Stirling-PDF's POST /api/v1/convert/url/pdf endpoint (Conver…8.6
- CVE-2026-71271Memos' webhook URL validation, isReservedIP (internal/webhoo…8.5
Are you affected by CVE-2026-71266?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
