CVE-2022-31627

criticalpriority · track · 40EPSS 0.021 · 82 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.14% (82nd) EPSS
CVSS 9.8 · critical
Is it mine?
25 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.7–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.7highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · ENISA EU
v3.17.7highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · security@php.netexploitability 2.2 · impact 5.5
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-119USCWE-122USCWE-590US
03

affected products (25)

Products and version ranges known to be affected.

showing 20 of 25
04

advisories (5)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2022-0601PHP: Schwachstelle ermöglicht nicht spezifizierten AngriffDeutsch2022-07-06csaf · cert_bundDE

    Ein Angreifer kann eine Schwachstelle in PHP ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

  • WID-SEC-W-2023-1737Juniper Patchday Juli 2023Deutsch2023-07-12csaf · cert_bundDE

    Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter anonymer oder lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Juniper Produkten ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und seine Privilegien zu erweitern.

  • BIT-libphp-2022-31627Heap buffer overflow in finfo_buffer2025-08-11vendor · osvUS

    In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

  • BIT-php-2022-31627Heap buffer overflow in finfo_buffer2024-03-06vendor · osvUS

    In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

  • BIT-php-min-2022-31627Heap buffer overflow in finfo_buffer2025-01-14vendor · osvUS

    In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

05

also known as (7)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundNVDCVE.orgMITRE
published 2022-07-28modified 2026-06-17
08

references (16)

External citations — patches, advisories, analysis.

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