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Vulnerability record · CVE-2026-22695 · published 12 January 2026

CVE-2026-22695: Libpng out-of-bounds read vulnerability

LLibpng · Libpng

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54.

7.1 CVSS 3.1 High EPSS 0.22% · top 89.1% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea Patch
https://github.com/pnggroup/libpng/commit/e4f7ad4ea2 Patch
https://github.com/pnggroup/libpng/issues/778 ExploitIssue TrackingThird Party Advisory
https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-12652Libpng improper input validation vulnerabilitylibpng before 1.6.32 does not properly check the length of chunks against the user limit.EPSS 4.1%9.8CVE-2010-1205Libpng classic buffer overflow vulnerabilityBuffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications, might allow remote attackers to ex…EPSS 43%8.8CVE-2018-14550Libpng out-of-bounds write vulnerabilityAn issue has been found in third-party PNM decoding associated with libpng 1.6.35. It is a stack-based buffer overflow in the function get_token in p…EPSS 3.5%8.8CVE-2015-8540Redhat enterprise linux desktop supplementary vulnerabilityInteger underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.…EPSS 6.5%8.8CVE-2015-0973Oracle solaris memory buffer overflow vulnerabilityBuffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows context-dependent attackers t…EPSS 4.1%8.8CVE-2014-9495Apple mac os x memory buffer overflow vulnerabilityHeap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might all…EPSS 4.1%8.8CVE-2011-3045Google chrome integer overflow vulnerabilityInteger signedness error in the png_inflate function in pngrutil.c in libpng before 1.4.10beta01, as used in Google Chrome before 17.0.963.83 and oth…EPSS 3.6%8.8CVE-2011-2690Libpng classic buffer overflow vulnerabilityBuffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that call…EPSS 3.3%

Source: NIST National Vulnerability Database (record CVE-2026-22695), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.