CVE-2020-35511

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Published Aug 23, 2022 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

pngcheck

affected

Version	Status	Constraints
`pngcheck-2.4.0`	affected	—

Configuration 1 [-]

cpe:2.3:a:libpng:pngcheck:2.4.0:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-3238-1	pngcheck security update
Debian DSA	DSA-5300-1	pngcheck security update
EUVD	EUVD-2020-23178	A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
Ubuntu USN	USN-6182-1	pngcheck vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.359% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.libpng.org/pub/png/apps/pngcheck.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html
https://www.debian.org/security/2022/dsa-5300

History

No history.

Subscriptions

Debian Debian Linux

Libpng Pngcheck

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 5:02 PM

Status: PUBLISHED
Assigner: redhat
Published: Aug 23, 2022, 12:00 AM
Updated: Aug 4, 2024, 5:02 PM
Reserved: Dec 17, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:13 AM

Status: Modified
Published: Aug 23, 2022, 8:15 PM
Modified: Jun 17, 2026, 3:13 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "pngcheck", "vendor": "n/a", "versions": [{"status": "affected", "version": "pngcheck-2.4.0"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libpng:pngcheck:2.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "CE7F2663-9C14-44F5-A4EE-65961D2694C6", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file."}, {"lang": "es", "value": "Se ha detectado un desbordamiento de b\u00fafer global en la funci\u00f3n pngcheck en pngcheck versi\u00f3n 2.4.0 (5 parches aplicados) por medio de un archivo png dise\u00f1ado."}], "id": "CVE-2020-35511", "lastModified": "2026-06-17T03:13:50.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-23T20:15:08.187", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.libpng.org/pub/png/apps/pngcheck.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5300"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.libpng.org/pub/png/apps/pngcheck.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5300"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Secondary"}]}