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  4. CVE 2011 10042 httpsession versions before 043 for perl allow
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2011-10042

HTTP::Session versions before 0.43 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::MemcachedCVE-2011-10042

Answer in brief

CVE-2011-10042 records a Unknown severity vulnerability in HTTP::Session versions before 0.43 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::Memcached. The current sources do not mark it as known exploited. The current feed maps http-session (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 14, 2026Updated Nov 14, 2026Source checked Nov 14, 2026First seen by HOL Nov 14, 2026Material review Nov 14, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps http-session (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
http-sessiongeneric>=0 <0.430.43

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for http-session.
  2. 2Review the reported fix. Source-reported solution: Upgrade to HTTP::Session 0.43 or later. Note that HTTP::Session 0.54 includes additional security fixes, but has been marked as deprecated. Users should migrate to an alternative such as Plack::Middleware::Session.

Evidence timeline and material changes

  1. Published upstream

    Nov 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 14, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencemetacpan.org
Upstream source description

HTTP::Session versions before 0.43 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::Memcached. The session id from the client's cookie reaches memcached unchanged as the cache key. A CR and LF in the session id end the cache command early, and the server reads the bytes after them as further commands.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-93
Source
CVE List V5
Source checked
Nov 14, 2026
References
2 linked sources
Open source record