CVE catalog
CVE-2013-0263
ruby-rack: CVE-2013-0263
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.38% · Oct 25, 2026
Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby-rack | sid | 3.2.7-1 | fixed |
| Debian | ruby-rack | forky | 3.2.7-1 | fixed |
| Debian | ruby-rack | trixie | 3.1.20-0+deb13u1 | fixed |
| Debian | ruby-rack | trixie-security | 3.1.20-0+deb13u2 | fixed |
| Debian | ruby-rack | bookworm | 2.2.22-0+deb12u1 | fixed |
| Debian | ruby-rack | bookworm-security | 2.2.22-0+deb12u2 | fixed |
| Ubuntu | ruby-rack | 14.04 | 1.5.2-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-rack | source | sid | 1.4.1-2.1 | not yet assigned | Not reported | [700226] |
| Debian | ruby-rack | source | forky | 1.4.1-2.1 | not yet assigned | Not reported | [700226] |
| Debian | ruby-rack | source | trixie | 1.4.1-2.1 | not yet assigned | Not reported | [700226] |
| Debian | ruby-rack | source | bookworm | 1.4.1-2.1 | not yet assigned | Not reported | [700226] |
| Ubuntu | ruby-rack | deb | 14.04 | 1.5.2-1 | Not reported | UBUNTU-CVE-2013-0263 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [ruby-rack]Unknown
Details (4)
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
[Debian 13 (Trixie)]
- [ruby-rack]Unknown
Details (5)
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-securityFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u2· all · trixie-securityFixed · Fixed:
1.4.1-2.1dsa · ruby-rack · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_10115-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2013-0263]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2013-0263]
- [https://security-tracker.debian.org/tracker/CVE-2013-0263]
- [https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-0263.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]