CVE catalog
CVE-2018-12495
discount: CVE-2018-12495
- Severity
- Medium · CVSS 5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.82% · Oct 25, 2026
The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file.
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 | discount | sid | 2.2.7-2.1 | fixed |
| Debian | discount | forky | 2.2.7-2.1 | fixed |
| Debian | discount | trixie | 2.2.7-2.1 | fixed |
| Debian | discount | bookworm | 2.2.7-2 | fixed |
| Ubuntu | discount | 14.04 | 2.1.6-2 | vulnerable |
| Ubuntu | discount | 14.04 | 2.1.7-1 | vulnerable |
| Ubuntu | discount | 14.04 | 2.1.7-1+deb8u1build0.14.04.1 | fixed |
| Ubuntu | discount | 16.04 | 2.1.8-2 | vulnerable |
| Ubuntu | discount | 18.04 | 2.1.8-2 | vulnerable |
| Ubuntu | discount | 18.04 | 2.2.3b8-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | discount | source | sid | 2.2.4-1 | not yet assigned | Not reported | [901912] |
| Debian | discount | source | forky | 2.2.4-1 | not yet assigned | Not reported | [901912] |
| Debian | discount | source | trixie | 2.2.4-1 | not yet assigned | Not reported | [901912] |
| Debian | discount | source | bookworm | 2.2.4-1 | not yet assigned | Not reported | [901912] |
| Ubuntu | discount | deb | 14.04 | 2.1.7-1+deb8u1build0.14.04.1 | Not reported | UBUNTU-CVE-2018-12495 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [discount]Fixed
Details (2)
2.2.7-2· amd64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
2.2.7-2· arm64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
- [libmarkdown2]Fixed
Source package: [discount]
Details (2)
2.2.7-2· amd64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
2.2.7-2· arm64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
- [libmarkdown2-dev]Fixed
Source package: [discount]
Details (2)
2.2.7-2· amd64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
2.2.7-2· arm64 · bookwormFixed · Fixed:
2.2.4-1dsa · discount · debian · bookworm; dsa · discount · debian · 12
[Debian 13 (Trixie)]
- [discount]Fixed
Details (2)
2.2.7-2.1· amd64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
2.2.7-2.1· arm64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
- [libmarkdown2]Fixed
Source package: [discount]
Details (2)
2.2.7-2.1· amd64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
2.2.7-2.1· arm64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
- [libmarkdown2-dev]Fixed
Source package: [discount]
Details (2)
2.2.7-2.1· amd64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
2.2.7-2.1· arm64 · trixieFixed · Fixed:
2.2.4-1dsa · discount · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2019_0019-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-12495]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-12495]
- [https://security-tracker.debian.org/tracker/CVE-2018-12495]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]