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HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpack_dht_insert() within src/hpack-tbl.c that fails to validate the return value of hpack_dht_defrag() when the memory pool is...
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgi_conn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and...
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can...
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | Fixed | Fixed | Not affected | Not affected | Not affected |
crash via INITIAL packet for the NEW_TOKEN format
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Not affected | Not affected | Not affected | Not affected |
crash in parsing frame type
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Not affected | Not affected | Not affected | Not affected |
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Fixed | Fixed | Not affected | Not affected |
Some fixes available 2 of 24
A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource consumption leading to...
5 affected packages
dnsdist, h2o, haproxy, lighttpd, varnish
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dnsdist | Not affected | Fixed | Not affected | Not affected | Not affected |
| h2o | Not in release | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| haproxy | Not affected | Not affected | Not affected | Not affected | Not affected |
| lighttpd | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| varnish | Not affected | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow because of mishandling of the replacement of multiple short patterns with a longer one.
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Fixed | Fixed | Not affected | Not affected |
Inconsistent interpretation of HTTP requests ('HTTP Request/Response Smuggling') issue exists in HAProxy. If this vulnerability is exploited, a remote attacker may access a path that is restricted by ACL (Access Control List) set...
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Fixed | Not affected | Not affected | Not affected |
QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with a spoofed IP address. This can bypass the IP allow/block list functionality.
1 affected package
haproxy
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| haproxy | — | Not affected | Not affected | Not affected | Not affected |