CVE & CISA-KEV Catalog

CVE-2022-31630

MEDIUMEPSS 82th pctl

6.5

CVSS v3

Description

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

CWE-131 CWE-190Integer Overflow CWE-125Out-of-bounds Read

How to fix

Remediation Available

php8.1Amazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-bcmathAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-bcmath-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-cliAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-cli-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-commonAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-common-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-dbaAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-dba-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-dbgAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-dbg-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-debugsourceAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-develAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-embeddedAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-embedded-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-enchantAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-enchant-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-ffiAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-ffi-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-fpmAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-fpm-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-gdAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-gd-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-gmpAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-gmp-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-intlAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-intl-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-ldapAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

php8.1-ldap-debuginfoAmazon

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

Fixed in:0:8.1.14-1.amzn2023.0.2

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.28%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

bugs.php.net

Related Vulnerabilities

Other CWE-131 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-36824	High	7.4	77%	-	Fix
CVE-2020-8450	High	7.3	72%	-	Fix
CVE-2026-42945	Critical	8.1	68%	-	Fix
CVE-2020-6113	High	7.8	65%	-	-
CVE-2020-6116	High	7.8	28%	-	-
CVE-2005-3120	Critical	9.8	23%	-	Fix

Common questions

How do I fix CVE-2022-31630?

Published advisories record a fix for 223 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2022-31630 being actively exploited?

Not that we know of. CVE-2022-31630 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 82% of all scored CVEs.

How severe is CVE-2022-31630?

CVE-2022-31630 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-31630 affect?

Published advisories record a fix for php8.1 (Amazon), php8.1-bcmath (Amazon), php8.1-bcmath-debuginfo (Amazon), php8.1-cli (Amazon), and 219 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.