CVE-2022-28739

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

• CWE-125

• http://seclists.org/fulldisclosure/2022/Oct/28
• http://seclists.org/fulldisclosure/2022/Oct/29
• http://seclists.org/fulldisclosure/2022/Oct/30
• http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Oct/42
• https://hackerone.com/reports/1248108Permissions Required, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
• https://security-tracker.debian.org/tracker/CVE-2022-28739Third Party Advisory
• https://security.gentoo.org/glsa/202401-27
• https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
• https://support.apple.com/kb/HT213488Third Party Advisory
• https://support.apple.com/kb/HT213493Third Party Advisory
• https://support.apple.com/kb/HT213494Third Party Advisory
• https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/Vendor Advisory
• http://seclists.org/fulldisclosure/2022/Oct/28
• http://seclists.org/fulldisclosure/2022/Oct/29
• http://seclists.org/fulldisclosure/2022/Oct/30
• http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Oct/42
• https://hackerone.com/reports/1248108Permissions Required, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
• https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
• https://security-tracker.debian.org/tracker/CVE-2022-28739Third Party Advisory
• https://security.gentoo.org/glsa/202401-27
• https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
• https://support.apple.com/kb/HT213488Third Party Advisory
• https://support.apple.com/kb/HT213493Third Party Advisory
• https://support.apple.com/kb/HT213494Third Party Advisory
• https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/Vendor Advisory

Published

May 9, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2022-28737There's a possible overflow in handle_image() when shim trie…7.8
• CVE-2022-28738A double free was found in the Regexp compiler in Ruby 3.x b…9.8
• CVE-2022-2874NULL Pointer Dereference in GitHub repository vim/vim prior …5.5
• CVE-2022-28740aEnrich eHRD Learning Management Key Performance Indicator S…7.5
• CVE-2022-28741aEnrich a+HRD 5.x Learning Management Key Performance Indica…8.1
• CVE-2022-28742aEnrich eHRD Learning Management Key Performance Indicator S…7.5
• CVE-2022-28743Time-of-check Time-of-use (TOCTOU) Race Condition vulerabili…6.6
• CVE-2022-28747Key reuse in GoSecure Titan Inbox Detection & Response (IDR)…9.8