CVE-2007-0910: Unspecified vulnerability in PHP before 5.2.1 allows attackers to "clobber" certain super-global variables via

Q: How do I fix CVE-2007-0910?

php: upgrade to newer than 5.2.0; secure linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2007-0910 being exploited?

CVE-2007-0910 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-2007-0910 affect?

CVE-2007-0910 affects php, secure linux. Severity is high (CVSS 10.0). Unspecified vulnerability in PHP before 5.2.1 allows attackers to "clobber" certain super-global variables via unspecified vectors.

Q: How urgent is CVE-2007-0910?

Priority 62/100. Critical severity; On your watchlist

This week

HIGH 10.0WATCHLISTUPGRADEMITIGATE

CVE-2007-0910 is a high-severity flaw (CVSS 10.0) affecting php, secure linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in PHP before 5.2.1 allows attackers to "clobber" certain super-global variables via unspecified vectors.

Why this priority

Critical severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2007-02-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php · trustix

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-02-13 23:28 UTCPublished CVE record published
2026-06-16 22:36 UTCUpdated Record last modified

php php UPGRADE

Affected: <= 5.2.0 · 3.0 · 3.0.1 · 3.0.2 · 3.0.3 · 3.0.4 · 3.0.5 · 3.0.6

Fixed in: newer than 5.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 5.2.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php

Note

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

trustix secure linux MITIGATE

Affected: 2.2 · 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2007-0910?

php: upgrade to newer than 5.2.0; secure linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-0910 being exploited?

CVE-2007-0910 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-2007-0910 affect?

CVE-2007-0910 affects php, secure linux. Severity is high (CVSS 10.0). Unspecified vulnerability in PHP before 5.2.1 allows attackers to "clobber" certain super-global variables via unspecified vectors.

How urgent is CVE-2007-0910?

Priority 62/100. Critical severity; On your watchlist

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References

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