What is CVE-2020-11528?

CVE-2020-11528 is a high-severity vulnerability in Bit2spr Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-04-04.

How severe is CVE-2020-11528?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Bit2spr Project

CVE-2020-11528

bit2spr 1992-06-07 has a stack-based buffer overflow (129-byte write) in conv_bitmap in bit2spr.c via a long line in a bitmap file.

Vulnerability class: Buffer Overflow

Published 2020-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Bit2spr Project — versions 1992-06-07

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/14isnot40/vul_discovery/blob/14isnot40-patch-1/README.md (Broken Link)
github.com/14isnot40/vul_discovery/blob/06d04dbbc6f792a82321c00376d4dbf3add00f4… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-11528?: CVE-2020-11528 is a high-severity vulnerability in Bit2spr Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-04-04.
How severe is CVE-2020-11528?: High severity. CVSS v3 base score is 7.5 out of 10.