CVE-2019-19777
HIGHCVSS 8.8/10EPSS 1.40%
Last modified
CVE-2019-19777 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.
Description
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nothings | Stb Image.H | 2.23 |
| Saitoha | Libsixel | 1.8.2 |
References
- https://github.com/saitoha/libsixel/issues/109Exploit, Third Party Advisory
- https://github.com/saitoha/libsixel/issues/109Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19777?
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
How severe is CVE-2019-19777?
CVE-2019-19777 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19777?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2019-19777?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST