2300 matches found
Astra Linux – Vulnerability in HAPProxy
There is an integer overflow in HAProxy versions 2.0 to 2.5, specifically in the htxaddheader function, which can be exploited to perform an HTTP request smuggling attack. This allows an attacker to bypass all configured http-request HAProxy Access Control Lists and possibly other access control...
Astra Linux – Vulnerability in HAPProxy
A flaw was discovered in the way HAProxy processed HTTP responses containing the “Set-Cookie2” header. This flaw could allow an attacker to send crafted HTTP response packets, leading to an infinite loop and ultimately causing a denial-of-service condition. The most significant threat from this...
Astra Linux – Vulnerability in HAPProxy
A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue does not ensure that the scheme and path portions of a URI contain the expected characters. For example, the authority field as observed on a target HTTP/2 server might differ from what the...
Astra Linux – Vulnerability in HAPProxy
Before version 2.7.3, HAProxy might allow a bypass of access control mechanisms, as HTTP/1 headers were inadvertently lost in certain situations, also known as “request smuggling.” The HTTP header parsers in HAProxy might accept empty header field names, which could be used to omit the list of HT...
Astra Linux – Vulnerability in HAPProxy
A issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. A HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, as in t...
MiracleLinux 9 : haproxy-2.8.14-3.el9_8.2 (AXSA:2026-1627:03)
The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1627:03 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow i...
CVE-2026-26080
A flaw was found in HAProxy. An attacker can exploit a vulnerability where the software mishandles varint variable-length integer encoding. This can cause HAProxy to enter an infinite loop or crash, leading to a denial of service for affected systems. Mitigation No mitigation is required. No Red...
CVE-2026-26081
A flaw was found in HAProxy. This vulnerability, stemming from a missing length check in the NEWTOKEN format, could allow a remote attacker to cause a low impact on data integrity and availability. This means an attacker might be able to subtly alter data or temporarily disrupt the service...
MiracleLinux 8 : haproxy-1.8.27-5.el8_10.2 (AXSA:2026-1575:02)
The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1575:02 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 Tenable has extracted the preceding description block directly from the...
haproxy security update
An update is available for haproxy. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The haproxy packages provide a reliable, high-performance network load...
RLSA-2026:55679 Important: haproxy security update
The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record...
RHSA-2026:55862 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55861 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55860 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55859 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55803 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55802 Red Hat Security Advisory: haproxy security update
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RHSA-2026:55801 Red Hat Security Advisory: haproxy security update
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