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GHSA-4vj2-5mvx-3vcc

Опубликовано: 18 июн. 2026
Источник: github
Github: Не прошло ревью
CVSS4: 8.7
CVSS3: 7.5

Описание

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 exhausted. An attacker can trigger HPACK dynamic table insertions under memory pressure to dereference a NULL pointer and crash HAProxy worker processes, causing denial of service.

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 exhausted. An attacker can trigger HPACK dynamic table insertions under memory pressure to dereference a NULL pointer and crash HAProxy worker processes, causing denial of service.

EPSS

Процентиль: 35%
0.00431
Низкий

8.7 High

CVSS4

7.5 High

CVSS3

Дефекты

CWE-476

Связанные уязвимости

CVSS3: 7.5
ubuntu
около 2 месяцев назад

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 exhausted. An attacker can trigger HPACK dynamic table insertions under memory pressure to dereference a NULL pointer and crash HAProxy worker processes, causing denial of service.

CVSS3: 7.5
redhat
около 2 месяцев назад

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 exhausted. An attacker can trigger HPACK dynamic table insertions under memory pressure to dereference a NULL pointer and crash HAProxy worker processes, causing denial of service.

CVSS3: 7.5
nvd
около 2 месяцев назад

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 exhausted. An attacker can trigger HPACK dynamic table insertions under memory pressure to dereference a NULL pointer and crash HAProxy worker processes, causing denial of service.

CVSS3: 7.5
msrc
около 1 месяца назад

HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

CVSS3: 7.5
debian
около 2 месяцев назад

HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null point ...

EPSS

Процентиль: 35%
0.00431
Низкий

8.7 High

CVSS4

7.5 High

CVSS3

Дефекты

CWE-476