CVE-2023-28756

mediumpriority · track · 22EPSS 0.025 · 84 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.45% (84th) EPSS

CVSS 5.3 · medium

Is it mine?

63 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.

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 · 4.9–7.5

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

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

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

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

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimaryCWE-1333USCWE-1333USCWE-20US

affected products (63)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Oracle PeopleSoft 8.59all versionscert_bundDEcpe:/a:oracle:peoplesoft:8.59
Oracle PeopleSoft 8.60all versionscert_bundDEcpe:/a:oracle:peoplesoft:8.60
Oracle PeopleSoft 8.61all versionscert_bundDEcpe:/a:oracle:peoplesoft:8.61
Oracle PeopleSoft 9.2all versionscert_bundDEcpe:/a:oracle:peoplesoft:9.2
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Xerox FreeFlow Print Serverall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2
Xerox FreeFlow Print Server v7 for Solarisall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v7_for_solaris
Xerox FreeFlow Print Server v9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9
Open Source Open Source Ruby <2.7.8< 2.7.8cert_bundDE
Open Source Open Source Ruby <3.0.6< 3.0.6cert_bundDE
Open Source Open Source Ruby <3.1.4< 3.1.4cert_bundDE

showing 20 of 63

advisories (8)

Vendor and ecosystem advisories describing this.

NCSC-2024-0304Kwetsbaarheden verholpen in Oracle PeopleSoftNL2024-07-17csaf · ncsc_nlNL
Er zijn kwetsbaarheden verholpen in Oracle PeopleSoft.
WID-SEC-W-2023-0814Ruby: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2023-03-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ruby ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2023-2031Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2023-08-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.
WID-SEC-W-2024-0120Oracle JD Edwards: Mehrere SchwachstellenDeutsch2024-01-16csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle JD Edwards ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2024-1655Oracle PeopleSoft: Mehrere SchwachstellenDeutsch2024-07-16csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle PeopleSoft ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
GHSA-fg7x-g82r-94qcRuby Time component ReDoS issue2023-03-31ghsa · osvUS
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.
BIT-ruby-2023-287562024-03-06vendor · osvUS
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.
BIT-ruby-min-2023-287562025-01-27vendor · osvUS
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund ncsc_nl NVD CVE.org MITRE

published 2023-03-31modified 2026-06-17

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+599 more

references (37)

External citations — patches, advisories, analysis.

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