CVE-2022-44570

highpriority · track · 31EPSS 0.016 · 76 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.63% (76th) EPSS

CVSS 7.5 · high

Is it mine?

22 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be impacted.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedruby4.0-rubygem-rack-2.2-0:2.2.22-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-2.2-0:2.2.22-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-2.2-0:2.2.22-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-2.2-0:2.2.22-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-0:3.1.18-1.3.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-0:3.1.18-1.3.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-0:3.1.18-1.3.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rack-0:3.1.18-1.3.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · SUSE Product Security

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimaryCWE-1333USCWE-400USCWE-400USCWE-400US

affected products (22)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
genua genua genucenter <8.0p5< 8.0p5cert_bundDE
genua genucenter< 8.0p5cert_bundDE
n/a https://github.com/rack/rack≤ 2.0.9.2, 2.1.4.2, 2.2.4.2, 3.0.0.1enisa_euvdEU
Leah Neukirchen Rack1.5.0 → 2.0.9.2fstec_bduRU
Leah Neukirchen Rack2.1.0 → 2.1.4.2fstec_bduRU
Leah Neukirchen Rack2.2.0 → 2.2.6.1fstec_bduRU
Leah Neukirchen Rack3.0.0 → 3.0.4.1fstec_bduRU
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.8fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 1.6 «Смоленск»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
ООО «РусБИТех-Астра» ПК СВ «Брест»≤ 3.3.4fstec_bduRU
rack rack1.5.0 → 2.0.9.2nvdUScpe:2.3:a:rack:rack:*:*:*:*:*:*:*:*
rack rack2.1.0 → 2.1.4.2nvdUScpe:2.3:a:rack:rack:*:*:*:*:*:*:*:*
rack rack2.2.0 → 2.2.6.1nvdUScpe:2.3:a:rack:rack:*:*:*:*:*:*:*:*
rack rack3.0.0 → 3.0.4.1nvdUScpe:2.3:a:rack:rack:*:*:*:*:*:*:*:*
RubyGems rack1.5.0 → 2.0.9.2osvUSpkg:gem/rack
RubyGems rack2.1.0.0 → 2.1.4.2osvUSpkg:gem/rack

showing 20 of 22

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0266genua genucenter: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2023-02-02csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in genua genucenter ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
openSUSE-SU-2026:10286-1ruby4.0-rubygem-rack-2.2-2.2.22-1.1 on GA media2026-03-04csaf · suse_csafDE
ruby4.0-rubygem-rack-2.2-2.2.22-1.1 on GA media
openSUSE-SU-2026:10358-1ruby4.0-rubygem-rack-3.1.18-1.3 on GA media2026-03-13csaf · suse_csafDE
ruby4.0-rubygem-rack-3.1.18-1.3 on GA media
GHSA-65f5-mfpf-vfhjDenial of service via header parsing in Rack2023-01-18ghsa · osvUS
There is a possible denial of service vulnerability in the Range header parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-44570. Versions Affected: >= 1.5.0 Not affected: None. Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.2, 3.0.0.1 Impact Carefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be impacted. Releases The fixed releases are available at the normal locations. Workarounds There are no feasible workarounds for this issue. Patches To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset. 2-0-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.0 series 2-1-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.1 series 2-2-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.2 series 3-0-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 3.0 series

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv suse_csaf NVD CVE.org MITRE

published 2023-02-09modified 2026-08-04

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+599 more

references (14)

External citations — patches, advisories, analysis.

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