High severity7.5NVD Advisory· Published Aug 23, 2021· Updated Jun 17, 2026

CVE-2020-36476

Description

An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory.

AI Insight

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

Affected products

Arm/MbedTLS
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Range: <2.7.17
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Mbed TLS/Mbed TLSdescription
ARMmbed/mbedtlsllm-fuzzy
Range: <2.24.0, <2.16.8, <2.7.17

Patches

Vulnerability mechanics

References

github.com/ARMmbed/mbedtls/releases/tag/v2.16.8nvdRelease NotesThird Party Advisory
github.com/ARMmbed/mbedtls/releases/tag/v2.24.0nvdRelease NotesThird Party Advisory
github.com/ARMmbed/mbedtls/releases/tag/v2.7.17nvdRelease NotesThird Party Advisory
lists.debian.org/debian-lts-announce/2021/11/msg00021.htmlnvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlnvdMailing ListThird Party Advisory

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000