Known Vulnerabilities for products from Haproxy

Listed below are 20 of the newest known vulnerabilities associated with the vendor "Haproxy".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2021-40346 An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smug... 7.5 - HIGH 2021-09-08 2023-11-07
CVE-2021-39242 An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation wit... 7.5 - HIGH 2021-08-17 2023-11-07
CVE-2021-39241 An 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. An HTTP met... 5.3 - MEDIUM 2021-08-17 2023-11-07
CVE-2021-39240 An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It does not ensure that the sc... 7.5 - HIGH 2021-08-17 2023-11-07
CVE-2020-11100 In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write ... 8.8 - HIGH 2020-04-02 2023-11-07
CVE-2019-19330 The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), li... 9.8 - CRITICAL 2019-11-27 2023-11-07
CVE-2019-18277 A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the "chunked"... 7.5 - HIGH 2019-10-23 2023-11-07
CVE-2019-14243 headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.... 7.5 - HIGH 2019-07-23 2019-12-16
CVE-2019-14241 HAProxy through 2.0.2 allows attackers to cause a denial of service (ha_panic) via vectors related to htx_manage_client_side_... 7.5 - HIGH 2019-07-23 2020-08-24
CVE-2019-11323 HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC k... 5.9 - MEDIUM 2019-05-09 2023-11-07
CVE-2018-20615 An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can ... 7.5 - HIGH 2019-03-21 2023-11-07
CVE-2018-20103 An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger... 7.5 - HIGH 2018-12-12 2023-11-07
CVE-2018-20102 An out-of-bounds read in dns_validate_dns_response in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check ... 7.5 - HIGH 2018-12-12 2023-11-07
CVE-2018-14645 A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access i... 7.5 - HIGH 2018-09-21 2023-11-07
CVE-2018-11469 Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled... 5.9 - MEDIUM 2018-05-25 2023-11-07
CVE-2018-10184 An issue was discovered in HAProxy before 1.8.8. The incoming H2 frame length was checked against the max_frame_size setting ... 7.5 - HIGH 2018-05-09 2023-11-07
CVE-2016-5360 HAproxy 1.6.x before 1.6.6, when a deny comes from a reqdeny rule, allows remote attackers to cause a denial of service (unin... 7.5 - HIGH 2016-06-30 2023-11-07
CVE-2016-2102 HAProxy statistics in openstack-tripleo-image-elements are non-authenticated over the network. 5.3 - MEDIUM 2017-08-22 2017-08-29
CVE-2015-3281 The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used f... 5 - MEDIUM 2015-07-06 2023-02-13
CVE-2014-6269 Multiple integer overflows in the http_request_forward_body function in proto_http.c in HAProxy 1.5-dev23 before 1.5.4 allow ... 5 - MEDIUM 2014-09-30 2023-11-07

Known software with vulnerabilities from Haproxy

Type Vendor Product Version
ApplicationHaproxyHaproxy-
ApplicationHaproxyProxyprotocol-