CVE-2024-50383

MEDIUM 5.9

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced secret-dependent operation in lib/utils/donna128.h in donna128 (used in Chacha-Poly1305 and x25519). An addition can be skipped if a carry is not set. This was observed for GCC 11.3.0 with -O2 on MIPS, and GCC on x86-i386. (Only 32-bit processors can be affected.)

Vendor	n/a
Product	n/a
Published	Oct 23, 2024
Last Updated	Oct 24, 2024

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957 github.com: https://github.com/randombit/botan/compare/3.5.0...3.6.0 arxiv.org: https://arxiv.org/pdf/2410.13489 news.ycombinator.com: https://news.ycombinator.com/item?id=41887153