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Vulnerability details: VCID-j7dk-wzkm-tfcr
Vulnerability ID VCID-j7dk-wzkm-tfcr
Aliases CVE-2025-66293
Summary libpng: LIBPNG out-of-bounds read in png_image_read_composite
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 7.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66293.json
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2025-66293
cvssv3.1 7.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.1 https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
ssvc Track https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
cvssv3.1 7.1 https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
ssvc Track https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
cvssv3.1 7.1 https://github.com/pnggroup/libpng/issues/764
ssvc Track https://github.com/pnggroup/libpng/issues/764
cvssv3.1 7.1 https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
ssvc Track https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66293.json
https://api.first.org/data/v1/epss?cve=CVE-2025-66293
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-66293
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1121877 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1121877
2418711 https://bugzilla.redhat.com/show_bug.cgi?id=2418711
764 https://github.com/pnggroup/libpng/issues/764
788a624d7387a758ffd5c7ab010f1870dea753a1 https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
a05a48b756de63e3234ea6b3b938b8f5f862484a https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
GHSA-9mpm-9pxh-mg4f https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
RHSA-2026:0125 https://access.redhat.com/errata/RHSA-2026:0125
RHSA-2026:0210 https://access.redhat.com/errata/RHSA-2026:0210
RHSA-2026:0211 https://access.redhat.com/errata/RHSA-2026:0211
RHSA-2026:0212 https://access.redhat.com/errata/RHSA-2026:0212
RHSA-2026:0216 https://access.redhat.com/errata/RHSA-2026:0216
RHSA-2026:0234 https://access.redhat.com/errata/RHSA-2026:0234
RHSA-2026:0237 https://access.redhat.com/errata/RHSA-2026:0237
RHSA-2026:0238 https://access.redhat.com/errata/RHSA-2026:0238
RHSA-2026:0241 https://access.redhat.com/errata/RHSA-2026:0241
RHSA-2026:0313 https://access.redhat.com/errata/RHSA-2026:0313
RHSA-2026:0321 https://access.redhat.com/errata/RHSA-2026:0321
RHSA-2026:0322 https://access.redhat.com/errata/RHSA-2026:0322
RHSA-2026:0323 https://access.redhat.com/errata/RHSA-2026:0323
RHSA-2026:0414 https://access.redhat.com/errata/RHSA-2026:0414
RHSA-2026:2072 https://access.redhat.com/errata/RHSA-2026:2072
RHSA-2026:2633 https://access.redhat.com/errata/RHSA-2026:2633
RHSA-2026:2659 https://access.redhat.com/errata/RHSA-2026:2659
RHSA-2026:2671 https://access.redhat.com/errata/RHSA-2026:2671
RHSA-2026:2974 https://access.redhat.com/errata/RHSA-2026:2974
RHSA-2026:3415 https://access.redhat.com/errata/RHSA-2026:3415
RHSA-2026:3861 https://access.redhat.com/errata/RHSA-2026:3861
RHSA-2026:4419 https://access.redhat.com/errata/RHSA-2026:4419
RHSA-2026:6732 https://access.redhat.com/errata/RHSA-2026:6732
RHSA-2026:9254 https://access.redhat.com/errata/RHSA-2026:9254
RHSA-2026:9255 https://access.redhat.com/errata/RHSA-2026:9255
USN-7963-1 https://usn.ubuntu.com/7963-1/
USN-8035-1 https://usn.ubuntu.com/8035-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66293.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-03T20:52:13Z/ Found at https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-03T20:52:13Z/ Found at https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://github.com/pnggroup/libpng/issues/764
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-03T20:52:13Z/ Found at https://github.com/pnggroup/libpng/issues/764
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-03T20:52:13Z/ Found at https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
Exploit Prediction Scoring System (EPSS)
Percentile 0.24185
EPSS Score 0.00082
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:34:19.180856+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66293.json 38.0.0