CVE-2025-66293
- Source
- https://cve.org/CVERecord?id=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
- Related
- Published
- 2025-12-03T20:33:57.086Z
- Modified
- 2026-06-18T18:18:26.257804Z
- 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
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-125" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66293.json" }- 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/security/advisories/GHSA-9mpm-9pxh-mg4f
- https://nvd.nist.gov/vuln/detail/CVE-2025-66293
- https://github.com/pnggroup/libpng/issues/764
- https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
- https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
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 affectedFixedFixedFixed
- Database specific
{ "source": [ "CPE_RANGE", "REFERENCES" ], "extracted_events": [ { "introduced": "0" }, { "fixed": "1.6.52" } ], "cpe": "cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*" }
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-signed
libpng-1.6.16-signed
libpng-1.6.17-signed
libpng-1.6.18-signed
libpng-1.6.2-signed
libpng-1.6.20-signed
libpng-1.6.21-signed
libpng-1.6.23-signed
libpng-1.6.24-signed
libpng-1.6.25-signed
libpng-1.6.26-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
v1.0.1b
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
v1.0.6a
v1.0.6d
v1.0.6e
v1.0.6f
v1.0.6g
v1.0.6h
v1.0.6i
v1.0.6j
v1.0.7
v1.0.7beta11
v1.0.7beta12
v1.0.7beta13
v1.0.7beta14
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v1.0.7beta16
v1.0.7beta17
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v1.0.7rc1
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v1.0.8
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v1.0.9
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v1.0.9beta7
v1.0.9beta8
v1.0.9beta9
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
v1.2.1
v1.2.10beta1
v1.2.10beta2
v1.2.10beta3
v1.2.10beta4
v1.2.10beta5
v1.2.10beta6
v1.2.10beta7
v1.2.10rc1
v1.2.1beta1
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v1.2.1beta3
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v1.2.1rc1
v1.2.1rc2
v1.2.2
v1.2.2beta1
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v1.2.2beta3
v1.2.2beta4
v1.2.2beta5
v1.2.2beta6
v1.2.2rc1
v1.2.3
v1.2.3rc1
v1.2.3rc2
v1.2.3rc3
v1.2.3rc4
v1.2.3rc5
v1.2.3rc6
v1.2.4
v1.2.4beta1
v1.2.4beta2
v1.2.4beta3
v1.2.4rc1
v1.2.5
v1.2.5beta1
v1.2.5beta2
v1.2.5rc1
v1.2.5rc2
v1.2.5rc3
v1.2.6
v1.2.6beta1
v1.2.6beta2
v1.2.6beta3
v1.2.6beta4
v1.2.6rc1
v1.2.6rc2
v1.2.6rc3
v1.2.6rc4
v1.2.6rc5
v1.2.7
v1.2.7beta1
v1.2.7beta2
v1.2.7rc1
v1.2.8
v1.2.8beta1
v1.2.8beta2
v1.2.8beta3
v1.2.8beta4
v1.2.8beta5
v1.2.8rc1
v1.2.8rc2
v1.2.8rc3
v1.2.8rc4
v1.2.8rc5
v1.2.9
v1.2.9beta1
v1.2.9beta10
v1.2.9beta11
v1.2.9beta2
v1.2.9beta3
v1.2.9beta4
v1.2.9beta5
v1.2.9beta6
v1.2.9beta7
v1.2.9beta8
v1.2.9beta9
v1.2.9rc1
v1.4.0beta1
v1.4.0beta10
v1.4.0beta100
v1.4.0beta101
v1.4.0beta102
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v1.4.0beta7
v1.4.0beta70
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v1.4.0beta73
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v1.4.0beta9
v1.4.0beta90
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v1.4.0beta93
v1.4.0beta94
v1.4.0beta95
v1.4.0beta96
v1.4.0beta98
v1.4.0beta99
v1.4.0rc03
v1.4.0rc04
v1.4.0rc05
v1.4.0rc06
v1.4.0rc07
v1.4.0rc08
v1.5.0
v1.5.0beta01
v1.5.0beta02
v1.5.0beta03
v1.5.0beta04
v1.5.0beta05
v1.5.0beta06
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v1.5.0beta09
v1.5.0beta11
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v1.5.0beta21
v1.5.0beta22
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v1.5.0beta27
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v1.5.0beta30
v1.5.0beta31
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v1.5.0beta33
v1.5.0beta34
v1.5.0beta35
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v1.5.0beta37
v1.5.0beta38
v1.5.0beta39
v1.5.0beta40
v1.5.0beta41
v1.5.0beta42
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v1.5.0beta47
v1.5.0beta48
v1.5.0beta49
v1.5.0beta50
v1.5.0beta51
v1.5.0beta52
v1.5.0beta53
v1.5.0beta54
v1.5.0beta55
v1.5.0beta56
v1.5.0beta57
v1.5.0beta58
v1.5.0rc01
v1.5.0rc02
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v1.5.1
v1.5.1beta01
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v1.5.1beta08
v1.5.1beta09
v1.5.1beta10
v1.5.1beta11
v1.5.1rc01
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v1.5.2
v1.5.2beta01
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v1.5.2beta03
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v1.5.2rc03
v1.5.3beta01
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v1.5.3beta06
v1.5.3beta07
v1.5.3beta08
v1.5.3beta09
v1.5.3beta10
v1.5.3beta11
v1.5.3rc01
v1.5.3rc02
v1.5.4
v1.5.4beta01
v1.5.4beta02
v1.5.4beta03
v1.5.4beta04
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v1.5.4rc01
v1.5.5
v1.5.5beta01
v1.5.5beta02
v1.5.5beta03
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v1.5.5beta05
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v1.5.5rc01
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v1.6.0
v1.6.0beta01
v1.6.0beta02
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v1.6.1
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v1.6.10beta01
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v1.6.11beta06
v1.6.11rc01
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v1.6.12
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v1.6.14
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v1.6.14rc01
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v1.6.33
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v1.6.33rc01
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v1.6.8beta01
v1.6.8beta02
v1.6.8rc02
v1.6.9
v1.6.9beta01
v1.6.9beta02
v1.6.9beta03
v1.6.9rc01
v1.6.9rc02
Database specific
vanir_signatures
[
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
"target": {
"file": "pngrtran.c",
"function": "png_init_read_transformations"
},
"id": "CVE-2025-66293-0679f78f",
"digest": {
"function_hash": "178214916148992773440650634714263199889",
"length": 11920.0
},
"deprecated": false
},
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
"target": {
"file": "pngread.c"
},
"id": "CVE-2025-66293-395c02fa",
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
"deprecated": false
},
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1",
"target": {
"file": "pngread.c",
"function": "png_image_read_composite"
},
"id": "CVE-2025-66293-593abf08",
"digest": {
"function_hash": "329042801547095150720313951941452339475",
"length": 1533.0
},
"deprecated": false
},
{
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"source": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1",
"target": {
"file": "pngread.c"
},
"id": "CVE-2025-66293-75012829",
"digest": {
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],
"threshold": 0.9
},
"deprecated": false
},
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"target": {
"file": "pngtest.c"
},
"id": "CVE-2025-66293-801707f1",
"digest": {
"line_hashes": [
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],
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},
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},
{
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"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
"target": {
"file": "pngread.c",
"function": "png_image_read_composite"
},
"id": "CVE-2025-66293-81534f71",
"digest": {
"function_hash": "41122192086887503838217940973741776942",
"length": 1578.0
},
"deprecated": false
},
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
"target": {
"file": "pngrtran.c"
},
"id": "CVE-2025-66293-a6c11414",
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
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},
{
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"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"target": {
"file": "png.h"
},
"id": "CVE-2025-66293-abaf0322",
"digest": {
"line_hashes": [
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"275647010778297936193963675511576832388",
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],
"threshold": 0.9
},
"deprecated": false
},
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"target": {
"file": "png.c"
},
"id": "CVE-2025-66293-ad0b72e5",
"digest": {
"line_hashes": [
"47073152949364962369861090096126731773",
"288151299466246462167992061204006899761",
"210305172250034716953159367551327640319",
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"208708600996260486851797060700199558941",
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],
"threshold": 0.9
},
"deprecated": false
},
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/pnggroup/libpng/commit/fbed16182b92eeb3a06d96e49f0836d450318098",
"target": {
"file": "png.c",
"function": "png_get_copyright"
},
"id": "CVE-2025-66293-e088f5e7",
"digest": {
"function_hash": "46948716049554014172244892925593370708",
"length": 481.0
},
"deprecated": false
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-66293.json"
vanir_signatures_modified
"2026-06-18T18:18:26Z"