SARA / Free Tools / CVE / CVE-2022-31628

CVE-2022-31628 — In PHP versions before 7

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

CVSS
2.3 LOW
EPSS
0.04% (top 86.80%)
CWE
CWE-674
Published
2022-09-28T22:25:09.309Z
Last modified
2025-05-20T20:24:57.733Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

02Affected products

VendorProductVersions
PHP GroupPHP7.4.X, 8.0.X, 8.1.X

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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