CVE-2023-28756
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2024:3500: ruby:3.0 security update (Moderate)
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 9.4.5.0+ds-1 |
| sid | Fixed | 9.4.5.0+ds-1 |
| forky | Fixed | 9.4.5.0+ds-1 |
| bullseye | Fixed | 2.7.4-1+deb11u2 |
| bookworm | Affected | — |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | rubygem-irb-1.4.1-143.module_el9.3.0+60+5ebc989a.noarch.rpm |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
Rocky Linux Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
References
- https://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756/
- https://access.redhat.com/errata/RHSA-2024:1576
- https://access.redhat.com/errata/RHSA-2024:3838
- https://errata.rockylinux.org/RLSA-2024:1431
- https://errata.rockylinux.org/RLSA-2023:3821
- https://www.suse.com/security/cve/CVE-2023-28756.html
- https://security-tracker.debian.org/tracker/CVE-2023-28756
- https://errata.rockylinux.org/RLSA-2024:1576
- https://nvd.nist.gov/vuln/detail/CVE-2023-28756
- https://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756
- https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released
- https://www.ruby-lang.org/en/downloads/releases
- https://security.netapp.com/advisory/ntap-20230526-0004
- https://security.gentoo.org/glsa/202401-27
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WMIOPLBAAM3FEQNAXA2L7BDKOGSVUT5Z
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA
- https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/time/CVE-2023-28756.yml
- https://github.com/ruby/time/releases
- https://github.com/ruby/time
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.