CVE-2020-6619
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
CVE-2020-6619 is a high vulnerability (CVSS 8.8) in Nothings Stb Truetype.h, published January 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 67th percentile. No source names a fixed version.
- Severity
- 8.8 HighCVSS 3.1, NVD
- Exploit chance
- 1.14%EPSS, 67th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libstbUbuntu:20.04:LTS | All versions, plus listed versions 0.0~git20190817.1.052dce1-1 | None known |
libstbUbuntu:22.04:LTS | All versions, plus listed versions 0.0~git20200713.b42009b+ds-10.0~git20210910.af1a5bc+ds-1 | None known |
libstbUbuntu:24.04:LTS | All versions, plus listed versions 0.0~git20230129.5736b15+ds-10.0~git20230129.5736b15+ds-1.10.0~git20230129.5736b15+ds-1.2 | None known |
libstbUbuntu:25.10 | All versions, plus listed versions 0.0~git20240715.f7f20f39fe4f+ds-10.0~git20241109.5c20573+ds-1 | None known |
libstbUbuntu:26.10 | All versions, plus listed versions 0.0~git20250907.fede005+ds-1 | None known |
libstbUbuntu:26.04:LTS | All versions, plus listed versions 0.0~git20241109.5c20573+ds-10.0~git20250907.fede005+ds-1 | None known |
What each source reports
NVD Score used
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- Record
CVE-2020-6619- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-617
- Updated
- 2026-11-02
CVE ListNo score
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- Record
CVE-2020-6619- Updated
- 2026-11-02
EUVDEUVD-2020-27767No score
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- Record
EUVD-2020-27767- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9w2g-gq6f-hxc5No score
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- Record
GHSA-9w2g-gq6f-hxc5- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-6619
stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.
- Record
UBUNTU-CVE-2020-6619- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.