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CVE-2024-11233

Single byte overread with convert.quoted-printable-decode filter

Medium4.8EPSS 1.6%
Published
Updated
Reserved
Assigned by
php

Description

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, due to an error in convert.quoted-printable-decode filter certain data can lead to buffer overread by one byte, which can in certain circumstances lead to crashes or disclose content of other memory areas.

Scores

CVSS scores of CVE-2024-11233, by who scored it
Scored byCVSSScoreVector
phpCNA (assigner)3.1Medium4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
NVDNVD · Modified3.1High8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS (exploitation in 30 days)
1.6% · top 24% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.

Weakness

Affected products

  • PHP Group · PHP

    • affected 8.1.* – < 8.1.31
    • affected 8.2.* – < 8.2.26
    • affected 8.3.* – < 8.3.14

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .