CVE Explorer

CVE-2025-64505

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to version 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_do_quantize function when processing PNG files with malformed palette indices. The vulnerability occurs when palette_lookup array bounds are not validated against externally-supplied image data, allowing an attacker to craft a PNG file with out-of-range palette indices that

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:301a84485a1e822d8fb39549aafee30e2a8ad97aa65c13fe698e5a568e889dc9

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"libpng","vendor":"pnggroup","versions":[{"status":"affected","version":"< 1.6.51"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/pnggroup/libpng/commit/6a528eb5fd0dd7f6de1c39d30de0e41473431c37","tags":["x_refsource_MISC"],"url":"https://github.com/pnggroup/libpng/commit/6a528eb5fd0dd7f6de1c39d30de0e41473431c37"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/references/2

{"name":"https://github.com/pnggroup/libpng/pull/748","tags":["x_refsource_MISC"],"url":"https://github.com/pnggroup/libpng/pull/748"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/references/1

{"name":"https://github.com/pnggroup/libpng/security/advisories/GHSA-4952-h5wq-4m42","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-4952-h5wq-4m42"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:a15c2eb45dd51c86672c0c219b2ee88ccb20441274bd7175b033e6ba0dfb695e · sha256:0ce1936dc865d74c… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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