Security readout for executives and security teams
Plain-English summary
png2webp v1.0.4 has a memory corruption flaw when handling a specially crafted PNG file. A system is mainly at risk if it uses this tool to process PNGs supplied by users, customers, or automated external feeds. Public sources do not provide a CVSS score or confirm active exploitation.
Executive priority
Treat this as a targeted dependency risk, not a confirmed emergency. Prioritize review where image conversion handles untrusted files or runs in customer-facing workflows. Business urgency depends on whether png2webp v1.0.4 is present and exposed.
Technical view
CVE-2022-36752 is an out-of-bounds write in png2webp v1.0.4, reported in the w2p function and triggered by a crafted PNG file. The record does not list CWE, CPE, CVSS, or detailed impact. A GitHub issue and commit are referenced as the public technical anchors.
Likely exposure
Exposure is likely limited to systems that run or embed png2webp v1.0.4, especially conversion services accepting untrusted PNG input. The source bundle does not identify broader affected products, package ecosystems, or downstream vendors.
Exploitation context
The CVE states the vulnerability is exploitable via a crafted PNG file. There is no KEV listing and no cited source in the bundle confirms active exploitation in the wild. Public references include a GitHub issue and a code commit.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, vendor advisory, or detailed impact is included. The safest assessment is memory corruption in png2webp v1.0.4 with crafted PNG input, with remediation direction centered on the referenced commit and project guidance.
Mitigation direction
- Inventory systems that use or bundle png2webp v1.0.4.
- Review the referenced project commit and maintainer guidance before applying changes.
- Avoid processing untrusted PNG files with vulnerable builds.
- Isolate image conversion workloads from sensitive systems and privileges.
- Monitor for crashes or abnormal behavior during PNG conversion.
Validation and detection
- Confirm whether png2webp v1.0.4 exists in source, containers, or build artifacts.
- Check whether the deployed code includes commit 8f21ad79b0cd98fc22d5b49734543101946abbff.
- Review image conversion services for external PNG upload or ingestion paths.
- Inspect logs for crashes or memory errors during PNG-to-WebP conversion.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-36752 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/landfillbaby/png2webp/issues/3CVE reference · x_refsource_MISC
- https://github.com/landfillbaby/png2webp/commit/8f21ad79b0cd98fc22d5b49734543101946abbffCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.