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Vulnerability record · CVE-2023-3824 · published 11 August 2023

CVE-2023-3824: Php memory buffer overflow vulnerability

Php · Php

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

9.8 CVSS 3.1 Critical EPSS 22% · top 2.4% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/php/php-src/security/advisories/GHSA-jqcx-ccgc-xwhv ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00002.html Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/7NBF77WN6DTVTY2RE73IGPYD6 Mailing List
https://security.netapp.com/advisory/ntap-20230825-0001/ Third Party Advisory
https://github.com/php/php-src/security/advisories/GHSA-jqcx-ccgc-xwhv ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00002.html Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/7NBF77WN6DTVTY2RE73IGPYD6 Mailing List
https://security.netapp.com/advisory/ntap-20230825-0001/ Third Party Advisory

Track CVE-2023-3824 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2023-3824), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.