CVE-2025-66293
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-66293
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-66293.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-66293
- Aliases
-
- GHSA-9mpm-9pxh-mg4f
- Downstream
- Published
- 2025-12-03T20:33:57.086Z
- Modified
- 2025-12-06T14:10:36.115027Z
- Severity
-
- 7.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVSS Calculator
- Summary
- LIBPNG has an out-of-bounds read in png_image_read_composite
- Details
-
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66293.json", "cwe_ids": [ "CWE-125" ], "cna_assigner": "GitHub_M" }- References
-
- http://www.openwall.com/lists/oss-security/2025/12/03/6
- http://www.openwall.com/lists/oss-security/2025/12/03/7
- http://www.openwall.com/lists/oss-security/2025/12/03/8
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66293.json
- https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
- https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
- https://github.com/pnggroup/libpng/issues/764
- https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
- https://nvd.nist.gov/vuln/detail/CVE-2025-66293
Affected packages
Git / github.com/pnggroup/libpng
Affected ranges
- Type
- GIT
- Repo
- https://github.com/pnggroup/libpng
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
libpng-1.*
libpng-1.6.10-signed
libpng-1.6.11-signed
libpng-1.6.12-signed
libpng-1.6.13-signed
libpng-1.6.14-signed
libpng-1.6.15-master-signed
libpng-1.6.15-signed
libpng-1.6.16-master-signed
libpng-1.6.16-signed
libpng-1.6.17-master-signed
libpng-1.6.17-signed
libpng-1.6.18-master-signed
libpng-1.6.18-signed
libpng-1.6.2-signed
libpng-1.6.20-master-signed
libpng-1.6.20-signed
libpng-1.6.21-master-signed
libpng-1.6.21-signed
libpng-1.6.23-signed
libpng-1.6.24-master-signed
libpng-1.6.24-signed
libpng-1.6.25-master-signed
libpng-1.6.25-signed
libpng-1.6.26-master-signed
libpng-1.6.26-signed
libpng-1.6.28-signed
libpng-1.6.29-master-signed
libpng-1.6.29-signed
libpng-1.6.3-signed
libpng-1.6.30-master-signed
libpng-1.6.30-signed
libpng-1.6.31-master-signed
libpng-1.6.31-signed
libpng-1.6.4-signed
libpng-1.6.7-signed
libpng-1.6.8-signed
libpng-1.6.9-signed
v0.*
v0.71
v0.81
v0.82
v0.85
v0.86
v0.87
v0.88
v0.89
v0.89c
v0.90
v0.96
v0.97
v0.97a
v0.97c
v0.98
v0.99
v0.99a
v0.99c
v0.99d
v0.99e
v0.99i
v0.99j
v0.99k
v0.99m
v0.99n
v0.99p
v1.*
v1.0.0
v1.0.0a
v1.0.0b
v1.0.1
v1.0.10
v1.0.10beta1
v1.0.10rc1
v1.0.11
v1.0.11beta1
v1.0.11beta2
v1.0.11beta3
v1.0.11rc1
v1.0.12beta1
v1.0.1a
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v1.0.1c
v1.0.1d
v1.0.1e
v1.0.2
v1.0.2a
v1.0.2b
v1.0.3
v1.0.4
v1.0.4-pre1
v1.0.4-pre2
v1.0.4-pre3
v1.0.4c
v1.0.4d
v1.0.4d2
v1.0.4e
v1.0.4f
v1.0.5
v1.0.5-pre1
v1.0.5a
v1.0.5c
v1.0.5d
v1.0.5h
v1.0.5q
v1.0.5s
v1.0.6
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v1.0.8
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v1.0.9rc1
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v1.00
v1.2.0
v1.2.0beta1
v1.2.0beta2
v1.2.0beta3
v1.2.0beta4
v1.2.0beta5
v1.2.0rc1
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v1.2.10rc3
v1.2.11
v1.2.11beta1
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v1.2.11beta2cos
v1.2.11beta3
v1.2.11beta4
v1.2.11rc1
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v1.2.12
v1.2.13
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v1.2.14
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v1.2.15
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v1.2.16
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v1.2.17
v1.2.17beta1
v1.2.17beta2
v1.2.17rc1
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v1.2.17rc3
v1.2.17rc4
v1.2.18
v1.2.19
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v1.2.19beta11
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v1.2.22
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v1.2.30beta01
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v1.2.31
v1.2.31rc01
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v1.6.9rc02
Database specific
vanir_signatures
[
{
"target": {
"file": "pngtest.c"
},
"signature_version": "v1",
"id": "CVE-2025-66293-801707f1",
"signature_type": "Line",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"deprecated": false,
"digest": {
"line_hashes": [
"226278435900183309042818230187401432350",
"87133448745501730107989263351817388797",
"261504106203917971632436042185650635174",
"96915034627752997194399565987887230236"
],
"threshold": 0.9
}
},
{
"target": {
"file": "png.h"
},
"signature_version": "v1",
"id": "CVE-2025-66293-abaf0322",
"signature_type": "Line",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"deprecated": false,
"digest": {
"line_hashes": [
"166375070723291529406421301066248769034",
"275647010778297936193963675511576832388",
"256826767335212246520616614652191899280",
"279336807821086835335477021495116274772",
"203183669222293599460722964148178217304",
"35307519453120089155494266760457606742",
"19174725693447036515934418080443497527",
"52554931054347631511668834753074918781"
],
"threshold": 0.9
}
},
{
"target": {
"file": "png.c"
},
"signature_version": "v1",
"id": "CVE-2025-66293-ad0b72e5",
"signature_type": "Line",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"deprecated": false,
"digest": {
"line_hashes": [
"47073152949364962369861090096126731773",
"288151299466246462167992061204006899761",
"210305172250034716953159367551327640319",
"269186107582912240335944251486659581364",
"208708600996260486851797060700199558941",
"98942535793701360371500714449713090723"
],
"threshold": 0.9
}
},
{
"target": {
"function": "png_get_copyright",
"file": "png.c"
},
"signature_version": "v1",
"id": "CVE-2025-66293-e088f5e7",
"signature_type": "Function",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"deprecated": false,
"digest": {
"length": 481.0,
"function_hash": "46948716049554014172244892925593370708"
}
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-66293.json"