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almalinuxAlmaLinuxALSA-2023:5989
HistoryOct 23, 2023 - 12:00 a.m.

Important: varnish security update

2023-10-2300:00:00
errata.almalinux.org
22
varnish cache
http accelerator
ddos attack
cve-2023-44487
security update

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.816

Percentile

98.4%

JSON

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don’t have to create the same web page over and over again, giving the website a significant speed up.

Security Fix(es):

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
almalinux8aarch64varnish-modules< 0.15.0-6.module_el8.5.0+2620+03a0c2ccvarnish-modules-0.15.0-6.module_el8.5.0+2620+03a0c2cc.aarch64.rpm
almalinux8aarch64varnish< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.aarch64.rpm
almalinux8aarch64varnish-devel< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-devel-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.aarch64.rpm
almalinux8aarch64varnish-docs< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-docs-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.aarch64.rpm
almalinux8x86_64varnish< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.x86_64.rpm
almalinux8x86_64varnish-devel< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-devel-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.x86_64.rpm
almalinux8x86_64varnish-docs< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-docs-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.x86_64.rpm
almalinux8x86_64varnish-modules< 0.15.0-6.module_el8.5.0+2620+03a0c2ccvarnish-modules-0.15.0-6.module_el8.5.0+2620+03a0c2cc.x86_64.rpm
almalinux8ppc64levarnish-devel< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-devel-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.ppc64le.rpm
almalinux8ppc64levarnish-docs< 6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1varnish-docs-6.0.8-3.module_el8.8.0+3665+0b8dabc5.1.alma.1.ppc64le.rpm
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1-10 of 161

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CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.816

Percentile

98.4%

JSON
Related for ALSA-2023:5989
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