OSV-2020-1835
Stack-buffer-overflow in fmt::v7::detail::buffer<char>::push_back
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884
Crash type: Stack-buffer-overflow READ 1
Crash state:
fmt::v7::detail::buffer<char>::push_back
std::__1::back_insert_iterator<fmt::v7::detail::buffer<char> >::operator=
fmt::v7::detail::buffer_appender<char> std::__1::__copy_constexpr<char const*, f
What each source reports
OSV No score
Stack-buffer-overflow in fmt::v7::detail::buffer<char>::push_back
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884
Crash type: Stack-buffer-overflow READ 1
Crash state:
fmt::v7::detail::buffer<char>::push_back
std::__1::back_insert_iterator<fmt::v7::detail::buffer<char> >::operator=
fmt::v7::detail::buffer_appender<char> std::__1::__copy_constexpr<char const*, f
- Record
OSV-2020-1835- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libfmtOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2020-1835 is a vulnerability with no CVSS score yet in libfmt, published September 25, 2020. No source lists public exploit code. A source reports a fix.