OSV-2020-893

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/hermes/OSV-2020-893.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2020-893
Published
2020-07-21T00:00:06.900609Z
Modified
2022-04-13T03:04:31.087641Z
Summary
Heap-buffer-overflow in hermes::parser::JSLexer::consumeBracedCodePoint
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23725

Crash type: Heap-buffer-overflow READ 1
Crash state:
hermes::parser::JSLexer::consumeBracedCodePoint
hermes::parser::JSLexer::consumeUnicodeEscape
hermes::parser::JSLexer::advance
References

Affected packages

OSS-Fuzz / hermes

Package

Name
hermes
Purl
pkg:generic/hermes

Affected ranges

Type
GIT
Repo
https://github.com/facebook/hermes.git
Events
Introduced
2e72425f875640779c7ce29de55a5e5cd73abd4e
Fixed
f126e71e362dad0f7f1841cbc56b5d85e16e8cc4

Ecosystem specific 

{
    "severity": "MEDIUM"
}