OSV-2018-389 UNKNOWN READ in boost::re_detail_NUMBER::basic_regex_creator<char, boost::regex_traits<char, boo

Not scored Published

An unknown read error in Boost.Regex can cause a crash, potentially leading to denial of service for applications using the library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2018-389?

OSV-2018-389 is a memory corruption vulnerability in boost, published on 15 Jan 2021.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6708

Crash type: UNKNOWN READ
Crash state:
boost::re_detail_NUMBER::basic_regex_creator&lt;char, boost::regex_traits&lt;char, boo
boost::re_detail_NUMBER::basic_regex_creator&lt;char, boost::regex_traits&lt;char, boo
boost::re_detail_NUMBER::basic_regex_parser&lt;char, boost::regex_traits&lt;char, boos

Which versions are affected by OSV-2018-389?

1 open source package ship an affected version, including boost.

PackageAffectedFixed in
boost OSS-FuzzAll versionsNone

How do I fix OSV-2018-389?

No fix has been published for OSV-2018-389 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is OSV-2018-389 being exploited?

There is no known exploitation of OSV-2018-389 in the wild and no public exploit code.

Sources

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