Fedora 29 update for haproxy



| Updated: 2025-04-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14645
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

haproxy
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer over-read

EUVDB-ID: #VU14915

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-14645

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the HPACK decoder in hpack_valid_idx() function. A remote attacker can send a specially specially crafted HTTP/2 request, trigger out-of-bounds read error and perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

haproxy: before 1.8.14-1.fc29

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-0b038c7047


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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