CVE-2020-15999
Actively exploited. CVE-2020-15999 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-15999 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Google Chrome uses FreeType, an open-source software library to render fonts, which contains a heap buffer overflow vulnerability in the function Load_SBit_Png when processing PNG images embedded into fonts. This vulnerability is part of an exploit chain with CVE-2020-17087 on Windows and CVE-2020-16010 on Android.
CSIRTS triage
- What
- This vulnerability is a heap buffer overflow in the FreeType library when processing PNG images embedded into fonts.
- Who is affected
- Users of Google Chrome that utilize the FreeType library.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Update Google Chrome to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-15999 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2020-15999: Google Chrome FreeType Heap Buffer Overflow Vulnerabilitycisa-kev · 2021-11-03
External references
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