CVE catalog
CVE-2019-17420
libhtp: CVE-2019-17420
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.35% · Oct 25, 2026
In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
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 | libhtp | trixie | 1:0.5.50-1+deb13u1 | fixed |
| Debian | libhtp | bookworm | 1:0.5.42-1+deb12u1 | fixed |
| Ubuntu | libhtp | pro | 1:0.5.25-1 | vulnerable |
| Ubuntu | libhtp | pro | 1:0.5.26-1 | vulnerable |
| Ubuntu | libhtp | pro | 1:0.5.26-1ubuntu0.1~esm1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libhtp | source | trixie | 1:0.5.31-1 | not yet assigned | Not reported | Not reported |
| Debian | libhtp | source | bookworm | 1:0.5.31-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libhtp2]Fixed
Source package: [libhtp]
Details (4)
1:0.5.42-1+deb12u1· amd64 · bookwormFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.42-1+deb12u1· arm64 · bookwormFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
- [libhtp-dev]Fixed
Source package: [libhtp]
Details (4)
1:0.5.42-1+deb12u1· amd64 · bookwormFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.42-1+deb12u1· arm64 · bookwormFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · bookworm; dsa · libhtp · debian · 12
[Debian 13 (Trixie)]
- [libhtp2]Fixed
Source package: [libhtp]
Details (4)
1:0.5.50-1+deb13u1· amd64 · trixieFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.50-1+deb13u1· arm64 · trixieFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.53-1~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.53-1~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
- [libhtp-dev]Fixed
Source package: [libhtp]
Details (4)
1:0.5.50-1+deb13u1· amd64 · trixieFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.50-1+deb13u1· arm64 · trixieFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.53-1~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
1:0.5.53-1~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
1:0.5.31-1dsa · libhtp · debian · 13
Observed: