CVE-2013-7298: query_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recur

Q: How do I fix CVE-2013-7298?

cxxtools: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Q: Is CVE-2013-7298 being exploited?

CVE-2013-7298 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-7298 affect?

CVE-2013-7298 affects cxxtools. Severity is medium (CVSS 5.0). query_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recursion and crash) via an HTTP query that contains %% (double percent) characters.

Q: How urgent is CVE-2013-7298?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2013-7298 is a medium-severity flaw (CVSS 5.0) affecting cxxtools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

query_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recursion and crash) via an HTTP query that contains %% (double percent) characters.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-399
Published	2014-01-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tntnet

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-01-26 20:55 UTCPublished CVE record published
2026-06-17 00:01 UTCUpdated Record last modified

tntnet cxxtools UPGRADE

Affected: <= 2.2

Fixed in: newer than 2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cxxtools || rpm -q cxxtools || cxxtools --version

2. UPGRADE to newer than 2.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cxxtools

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cxxtools

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-7298?

cxxtools: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Is CVE-2013-7298 being exploited?

CVE-2013-7298 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-7298 affect?

CVE-2013-7298 affects cxxtools. Severity is medium (CVSS 5.0). query_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recursion and crash) via an HTTP query that contains %% (double percent) characters.

How urgent is CVE-2013-7298?

Priority 37/100. No elevated risk signals yet.

References

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