
CVE catalog
CVE-2021-39247
zint: CVE-2021-39247
- Severity
- Low
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.92% · Oct 25, 2026
Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to is_last_single_ascii in code1.c, and rs_encode_uint in reedsol.c.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | zint | sid | 2.15.0-2 | not affected |
| Debian | zint | forky | 2.15.0-2 | not affected |
| Debian | zint | trixie | 2.15.0-1 | not affected |
| Debian | zint | bookworm | 2.11.1-1 | not affected |
| Ubuntu | zint | 22.04 | 2.9.1-1.1 | vulnerable |
| Ubuntu | zint | 22.04 | 2.10.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | zint | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | zint | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | zint | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | zint | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libzint2.11]Not affected
Source package: [zint]
Details (2)
2.11.1-1· amd64 · bookwormNot affected
dsa · zint · debian · bookworm
2.11.1-1· arm64 · bookwormNot affected
dsa · zint · debian · bookworm
- [libzint-dev]Not affected
Source package: [zint]
Details (2)
2.11.1-1· amd64 · bookwormNot affected
dsa · zint · debian · bookworm
2.11.1-1· arm64 · bookwormNot affected
dsa · zint · debian · bookworm
- [zint]Not affected
Details (2)
2.11.1-1· amd64 · bookwormNot affected
dsa · zint · debian · bookworm
2.11.1-1· arm64 · bookwormNot affected
dsa · zint · debian · bookworm
- [zint-qt]Not affected
Source package: [zint]
Details (2)
2.11.1-1· amd64 · bookwormNot affected
dsa · zint · debian · bookworm
2.11.1-1· arm64 · bookwormNot affected
dsa · zint · debian · bookworm
Observed: