Vulnerability · Published Sep 4, 2024 · Assigned by mitre
CVE-2024-45506
High 7.5
In plain English
A high-severity infinite loop in the haproxy package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 31.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | haproxy | 2.9.10-1 | DEBIAN-CVE-2024-45506 |
| Debian:14 | haproxy | 2.9.10-1 | DEBIAN-CVE-2024-45506 |
| Ubuntu:22.04:LTS | haproxy | 2.4.24-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-45506 |
| Ubuntu:24.04:LTS | haproxy | 2.8.5-1ubuntu3 | UBUNTU-CVE-2024-45506 |
Affected products (as reported)
Weakness: CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.haproxy.org/
- https://www.haproxy.org/download/3.1/src/CHANGELOG
- https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html
- https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html
- http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c
- http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f