
CVE catalog
CVE-2024-45797
LibHTP vulnerabilities
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.73% · Oct 25, 2026
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Prior to version 0.5.49, unbounded processing of HTTP request and response headers can lead to excessive CPU time and memory utilization, possibly leading to extreme slowdowns. This issue is addressed in 0.5.49.
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 | noble | 1:0.5.46-1ubuntu2+esm1 | fixed |
| Ubuntu | libhtp-dev | noble | 1:0.5.46-1ubuntu2+esm1 | fixed |
| Ubuntu | libhtp2 | noble | 1:0.5.46-1ubuntu2+esm1 | fixed |
| Ubuntu | libhtp | pro | 1:0.5.45-1 | vulnerable |
| Ubuntu | libhtp | pro | 1:0.5.46-1ubuntu1 | vulnerable |
| Ubuntu | libhtp | pro | 1:0.5.46-1ubuntu2 | vulnerable |
| Ubuntu | libhtp | pro | 1:0.5.46-1ubuntu2+esm1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libhtp | source | trixie | 1:0.5.49-1 | not yet assigned | Not reported | Not reported |
| Debian | libhtp | source | bookworm | 1:0.5.42-1+deb12u1 | not yet assigned | Not reported | Not reported |
| Ubuntu | libhtp | deb | noble | 1:0.5.46-1ubuntu2+esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libhtp-dev | deb | noble | 1:0.5.46-1ubuntu2+esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libhtp2 | deb | noble | 1:0.5.46-1ubuntu2+esm1 | Not reported | Not reported | Not reported |
| Ubuntu | libhtp | deb | pro | 1:0.5.46-1ubuntu2+esm1 | Not reported | UBUNTU-CVE-2024-45797 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libhtp2]Fixed
Source package: [libhtp]
Details (4)
1:0.5.42-1+deb12u1· amd64 · bookwormFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.42-1+deb12u1· arm64 · bookwormFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
- [libhtp-dev]Fixed
Source package: [libhtp]
Details (4)
1:0.5.42-1+deb12u1· amd64 · bookwormFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.42-1+deb12u1· arm64 · bookwormFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
1:0.5.50-1+deb13u1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:0.5.42-1+deb12u1usn · libhtp · debian · bookworm; usn · libhtp · debian · 12
[Debian 13 (Trixie)]
- [libhtp2]Fixed
Source package: [libhtp]
Details (4)
1:0.5.50-1+deb13u1· amd64 · trixieFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.50-1+deb13u1· arm64 · trixieFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.53-1~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.53-1~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
- [libhtp-dev]Fixed
Source package: [libhtp]
Details (4)
1:0.5.50-1+deb13u1· amd64 · trixieFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.50-1+deb13u1· arm64 · trixieFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.53-1~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
1:0.5.53-1~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
1:0.5.49-1usn · libhtp · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2025_15394-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2024-45797]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2024-45797]
- [https://security-tracker.debian.org/tracker/CVE-2024-45797]
- [https://ubuntu.com/security/notices/USN-7814-1]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]