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CVE-2026-70652 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, libvips built with libultrahdr support can incorrectly size an output buffer in libvips/foreign/uhdrsave.c within vips_foreign_save_uhdr_set_raw_hdr when a pipeline enlarges an incoming JPEG to a very large output before encoding a gain map through VipsForeignSaveUhdr. The undersized allocation can cause a heap buffer over-read that may disclose adjacent data or crash the process. This issue is fixed in version 8.18.3.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/libvips/libvips/commit/cff17794f0698a4f47c74bb31c9700b2c83252a8	[email protected]
https://github.com/libvips/libvips/pull/5039	[email protected]
https://github.com/libvips/libvips/releases/tag/v8.18.3	[email protected]
https://github.com/libvips/libvips/security/advisories/GHSA-h27h-jf9v-m8rg	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-126	Buffer Over-read	[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 21, 2026	CVE Modified	CISA-ADP
Aug 20, 2026	New CVE Received	[email protected]