OPENSUSE-SU-2026:21245-1 Security update for haproxy

This update for haproxy fixes the following issues - Update to version 3.2.21+git0.dbe43be37 - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference...

SUSE-SU-2026:22515-1 Security update for haproxy

This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within...

BIT-HAPROXY-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when the memory pool is exhausted. An attacker can trigger HPACK dynamic table insertions under memo...

Security update for haproxy

This update for haproxy fixes the following issues CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl....

SUSE-SU-2026:2652-1 Security update for haproxy

This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within...

Security update for haproxy

This update for haproxy fixes the following issues CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl....

SUSE-SU-2026:2651-1 Security update for haproxy

This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within...

CVE-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when the memory pool is exhausted. An attacker can trigger HPACK dynamic table insertions under memo...

CVE-2026-55204

HAProxy CVE-2026-55204 affects HAProxy up to version 3.4.0. It describes a null pointer dereference in the function hpack_dht_insert (in src/hpack-tbl.c) that fails to validate the return value of hpack_dht_defrag() when the memory pool is exhausted. Under memory pressure, HPACK dynamic table ins...

CVE-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when the memory pool is exhausted. An attacker can trigger HPACK dynamic table insertions under memo...

PT-2026-109459

Уязвимость функции hpack dht insert файла src/hpack-tbl.c серверного программного обеспечения HAProxy связана с разыменованием нулевого указателя. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

HAProxy hpack_dht_insert Buffer Overflow

The vulnerability of the hpackdhtinsert function in the HAProxy networking software library is related to the execution of operations within acceptable buffer data limits. Exploiting this vulnerability could allow an attacker to gain unauthorized access to confidential data, cause service failure...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

PT-2020-2138

Name of the Vulnerable Software and Affected Versions HAProxy versions 1.8 through 2.1.4 Description The issue is related to the hpack dht insert function in the HPACK decoder, which can be exploited by a remote attacker via a crafted HTTP/2 request. This could lead to writing arbitrary bytes...