CVE-2020-6622
CVE-2020-6622 is a high-severity vulnerability in Nothings Stb Truetype.h with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Nothings Stb Truetype.h
- Published:
- Last modified:
Description
stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__buf_peek8.
Frequently asked questions
- What is CVE-2020-6622?
- stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__buf_peek8.
- How severe is CVE-2020-6622?
- CVE-2020-6622 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-6622 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-6622?
- CVE-2020-6622 affects Nothings Stb Truetype.h. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-6622?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-6622 published?
- CVE-2020-6622 was published on 2020-01-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nothings:stb_truetype.h:*:*:*:*:*:*:*:*
More vulnerabilities in Nothings Stb Truetype.h
- CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
- CVE-2020-6621 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has a heap-based buffer over-read in ttUSHORT.
- CVE-2020-6620 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__buf_get8.
- CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- CVE-2020-6618 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__find_table.
- CVE-2020-6617 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_int.
All CVEs affecting Nothings Stb Truetype.h →
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