CVE-2022-31630

MEDIUMNVD 6.57.1▲
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2022-11-14. NVD baseline CVSS 6.5; sources differ by 0.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 6.5Exploit: NoneExposed: 0

A fix is available — apply it.

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. 

CVSS v3
6.5
EG Score
7.1(medium)
EPSS
80.6%
KEV
Not listed

Published

November 14, 2022

Last Modified

November 21, 2024

References (2)

Vendor Advisories for CVE-2022-31630(4)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuphp8.1-snmp (8.1.7-1ubuntu3.1) @ kinetic2026-05-25ubuntu
redhatphp:7.4-8080020230118140634.cc3424242023-05-16redhat
redhatphp:8.1-9020020230120141750.92023-05-09redhat
redhatphp-0:8.0.27-1.el9_12023-02-28redhat
redhatphp:8.0-8070020230118114629.ef3316622023-02-21redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 108 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  11. 2026-07-16 17:00 UTCEPSS rescore
  12. 2026-07-16 15:23 UTCOSV refresh
  13. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-07 13:44 UTCEPSS rescore
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  13. 2026-06-29 14:04 UTCEPSS rescore
  14. 2026-06-28 14:06 UTCEPSS rescore
  15. 2026-06-28 14:02 UTCOSV refresh
  16. 2026-06-28 04:54 UTCEPSS rescore
  17. 2026-06-27 03:07 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
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  27. 2026-06-21 14:55 UTCEPSS rescore
  28. 2026-06-19 19:24 UTCEPSS rescore
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  39. 2026-06-12 23:10 UTCEPSS rescore
  40. 2026-06-12 23:10 UTCEPSS rescore
  41. 2026-06-11 13:58 UTCEPSS rescore
  42. 2026-06-11 13:58 UTCEPSS rescore
  43. 2026-06-11 01:39 UTCOSV refresh
  44. 2026-06-10 22:16 UTCEPSS rescore
  45. 2026-06-10 13:20 UTCEPSS rescore
  46. 2026-06-08 14:15 UTCEPSS rescore
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  48. 2026-06-07 15:23 UTCEPSS rescore
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  51. 2026-06-06 13:46 UTCEPSS rescore
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  74. 2026-05-27 13:39 UTCEPSS rescore
  75. 2026-05-27 13:39 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-31630?
CVE-2022-31630 is a medium vulnerability published on November 14, 2022. 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…
When was CVE-2022-31630 disclosed?
CVE-2022-31630 was first published in the National Vulnerability Database on November 14, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-31630 actively exploited?
CVE-2022-31630 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-31630?
CVE-2022-31630 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.1.
How do I remediate CVE-2022-31630?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-31630, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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