CVE-2024-50342: symfony/http-client is a module for the Symphony PHP framework which provides powerful methods to fetch HTTP r

Routine

LOW 3.1UPGRADE

CVE-2024-50342 is a low-severity flaw (CVSS 3.1) affecting httpclient. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

symfony/http-client is a module for the Symphony PHP framework which provides powerful methods to fetch HTTP resources synchronously or asynchronously. When using the `NoPrivateNetworkHttpClient`, some internal information is still leaking during host resolution, which leads to possible IP/port enumeration. As of versions 5.4.46, 6.4.14, and 7.1.7 the `NoPrivateNetworkHttpClient` now filters blocked IPs earlier to prevent such leaks. All users ar

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.1 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-200
Published	2024-11-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: sensiolabs

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

Am I affected?

Timeline

2024-11-06 21:15 UTCPublished CVE record published
2026-06-17 08:04 UTCUpdated Record last modified

sensiolabs httpclient UPGRADE

Affected: < 5.4.46 · >= 6.0.0 and < 6.4.14 · >= 7.0.0 and < 7.1.7

Fixed in: 5.4.46, 6.4.14, 7.1.7

Safe to downgrade to: a release before 6.0.0

1. Check installed version

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

2. UPGRADE to 5.4.46 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade httpclient

Note

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

3. If no update is available yet, DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)

apt-cache madison httpclient sudo apt install httpclient=<VERSION_BEFORE_6.0.0> sudo apt-mark hold httpclient

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list httpclient sudo dnf downgrade httpclient-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add httpclient

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-50342?

httpclient: upgrade to 5.4.46, 6.4.14, 7.1.7. Exact commands for each OS are on this page.

Is CVE-2024-50342 being exploited?

CVE-2024-50342 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-2024-50342 affect?

CVE-2024-50342 affects httpclient. Severity is low (CVSS 3.1). symfony/http-client is a module for the Symphony PHP framework which provides powerful methods to fetch HTTP resources synchronously or asynchronously. When using the `NoPrivateNetworkHttpClient`, some internal information is still leaking

How urgent is CVE-2024-50342?

Priority 21/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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