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High severity7.5NVD Advisory· Published Aug 2, 2021· Updated Jun 17, 2026

CVE-2021-37847

CVE-2021-37847

Description

crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest verification.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Pengutronix/Barebox2 versions
cpe:2.3:a:pengutronix:barebox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:pengutronix:barebox:*:*:*:*:*:*:*:*range: <=2021.07.0
- (no CPE)range: <=2021.07.0
Pengutronix/bareboxdescription

Patches

Vulnerability mechanics

References

2

github.com/saschahauer/barebox/commit/0a9f9a7410681e55362f8311537ebc7be9ad0fbenvdPatchThird Party Advisory
gist.github.com/gquere/816dfadbad98745090034100a8a651ebnvdExploitThird Party Advisory

News mentions

0

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