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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: node-compression: CVE-2026-87776
Message-ID: <178922620284.2916838.6808929511555042936.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0+nmu1
Date: Sat, 12 Sep 2026 17:16:42 +0200
Delivered-To: submit@bugs.debian.org

Source: node-compression
Version: 1.8.1-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for node-compression.

CVE-2026-87776[0]:
| compression is a Node.js and Express compression middleware. In
| versions before 1.8.2, when a client aborts the connection while a
| compressed response is still being sent, the zlib stream created to
| compress that response is never destroyed, so each aborted
| compressed response leaks its native zlib memory. A remote
| unauthenticated attacker can repeatedly open requests and disconnect
| early, exhausting the available memory and crashing the server. All
| applications using compression are affected. The issue is fixed in
| compression 1.8.2, and users should upgrade to 1.8.2 or later.


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-2026-87776
    https://www.cve.org/CVERecord?id=CVE-2026-87776
[1] https://github.com/expressjs/compression/security/advisories/GHSA-vc2v-76pw-4v95
[2] https://github.com/expressjs/compression/commit/151f63e91e1b64f8fb0b064e19321a4f28db6bff

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
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