| Name | CVE-2021-39247 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| zint (PTS) | bullseye | 2.9.1-1.1 | fixed |
| bookworm | 2.11.1-1 | fixed |
| trixie, sid | 2.13.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| zint | source | (unstable) | (not affected) | | | |
Notes
- zint <not-affected> (Introduced and fixed between 2.9.1 and 2.10.0)
https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/
https://sourceforge.net/p/zint/tickets/232/
Introduced in https://sourceforge.net/p/zint/code/ci/6274140c73aa39c42271644ef8c9b4551ca06fc2/