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GHSA-r96c-7w9v-wrc8

Опубликовано: 23 сент. 2026
Источник: github
Github: Не прошло ревью
CVSS3: 7.5

Описание

Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.

Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.

EPSS

Процентиль: 48%
0.00573
Низкий

7.5 High

CVSS3

Дефекты

CWE-190

Связанные уязвимости

CVSS3: 7.5
ubuntu
около 2 месяцев назад

Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.

CVSS3: 7.5
redhat
около 2 месяцев назад

Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.

CVSS3: 7.5
nvd
около 2 месяцев назад

Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.

CVSS3: 7.5
msrc
около 1 месяца назад

Integer overflow causes an infinite loop in packet buffer growth in PgBouncer

CVSS3: 7.5
debian
около 2 месяцев назад

Integer overflow in the packet buffer growth logic in PgBouncer throug ...

EPSS

Процентиль: 48%
0.00573
Низкий

7.5 High

CVSS3

Дефекты

CWE-190