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CVE-2026-25646

HIGH

8.1

Description

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported by the user's display, certain palettes will cause the function to enter into an infinite loop that reads past the end of an internal heap-allocated buffer. The images that trigger this vulnerability are valid per the PNG specification. This vulnerability is fixed in 1.6.55.

Details CVE

Score CVSS v3.18.1

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie2/10/2026

Derniere modification2/13/2026

Sourcenvd

Observations honeypot0

Produits affectes

libpng:libpng

Faiblesses (CWE)

CWE-122CWE-126

References

https://github.com/pnggroup/libpng/commit/01d03b8453eb30ade759cd45c707e5a1c7277d88(security-advisories@github.com)

https://github.com/pnggroup/libpng/security/advisories/GHSA-g8hp-mq4h-rqm3(security-advisories@github.com)

http://www.openwall.com/lists/oss-security/2026/02/09/7(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/pnggroup/libpng/security/advisories/GHSA-g8hp-mq4h-rqm3(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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