Your message dated Sun, 11 Oct 2026 11:52:26 +0000
with message-id <[email protected]>
and subject line Bug#1143080: fixed in rails 2:7.2.2.2+dfsg-2~deb13u2
has caused the Debian Bug report #1143080,
regarding rails: CVE-2026-66066
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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1143080: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1143080
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: rails
Version: 2:7.2.3.1+dfsg-1
Severity: grave
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi,
The following vulnerability was published for rails.
CVE-2026-66066[0]:
| Possible arbitrary file read and remote code execution in Active
| Storage variant processing
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2026-66066
https://www.cve.org/CVERecord?id=CVE-2026-66066
[1] https://github.com/rails/rails/security/advisories/GHSA-xr9x-r78c-5hrm
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
--- End Message ---
--- Begin Message ---
Source: rails
Source-Version: 2:7.2.2.2+dfsg-2~deb13u2
Done: Simon Quigley <[email protected]>
We believe that the bug you reported is fixed in the latest version of
rails, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Simon Quigley <[email protected]> (supplier of updated rails package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
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Hash: SHA512
Format: 1.8
Date: Sun, 04 Oct 2026 16:13:12 -0500
Source: rails
Architecture: source
Version: 2:7.2.2.2+dfsg-2~deb13u2
Distribution: trixie-security
Urgency: high
Maintainer: Debian Ruby Team
<[email protected]>
Changed-By: Simon Quigley <[email protected]>
Closes: 1132035 1143080
Changes:
rails (2:7.2.2.2+dfsg-2~deb13u2) trixie-security; urgency=high
.
* CVE-2026-66066: disable libvips unfuzzed loaders and savers when
Active Storage loads ruby-vips. BMP, ICO, and PSD variants then
raise Vips::Error (Closes: #1143080).
* CVE-2026-33168: skip blank HTML attribute names in tag helpers.
A blank attribute name bypasses escaping and produces malformed
HTML. A crafted value can be read as a separate attribute, possibly
leading to XSS (Closes: #1132035).
* CVE-2026-33169: delimit numbers without the backtracking expression.
The lookahead regular expression and gsub! can take quadratic time
on a long digit string (Closes: #1132035).
* CVE-2026-33170: keep an unsafe SafeBuffer unsafe after %.
SafeBuffer#% does not copy the html_safe flag. Formatting a buffer
mutated in place, with untrusted arguments, reports html_safe? and
bypasses ERB escaping (Closes: #1132035).
* CVE-2026-33173: drop analyzed, identified, and composed from
direct uploads.
Direct upload metadata can set those flags, skip MIME detection,
and claim a safe content_type for other content (Closes: #1132035).
* CVE-2026-33174: reject Active Storage byte ranges larger than 100MB.
The proxy loads the whole requested byte range into memory. A large
or unbounded Range header can exhaust memory. Ranges whose total
size reaches 100MB are now rejected (Closes: #1132035).
* CVE-2026-33176: do not expand scientific notation in number helpers.
Strings such as 1e10000 are expanded by BigDecimal into a huge
representation, which can exhaust memory and CPU (Closes: #1132035).
* CVE-2026-33195: reject disk keys that leave the Active Storage root.
DiskService#path_for does not keep the resolved path inside the
storage root. A key containing ../ can read, write, or delete files
outside it (Closes: #1132035).
* CVE-2026-33202: escape glob metacharacters in
DiskService#delete_prefixed.
The prefix is passed to Dir.glob without escaping. A key containing
glob metacharacters can delete a different file (Closes: #1132035).
* CVE-2026-33658: allow only one byte range on Active Storage proxies.
The proxy does not limit how many ranges a Range header may contain.
Thousands of small ranges use much more CPU than one request for the
same file (Closes: #1132035).
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