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F5F5:K54450124HistoryJan 28, 2022 - 12:00 a.m.
K54450124 : NSS vulnerability CVE-2021-43527
2022-01-2800:00:00
my.f5.com
83
nss
vulnerability
cve-2021-43527
heap overflow
der-encoded
dsa
rsa-pss
Security Advisory Description
NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how they configure NSS. Note: This vulnerability does NOT impact Mozilla Firefox. However, email clients and PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and Evince are believed to be impacted. This vulnerability affects NSS < 3.73 and NSS < 3.68.1. (CVE-2021-43527)
Impact
The heap overflow vulnerability allows an attacker to overwrite arbitrary areas of memory and inject malicious code on an affected F5 product.
Related
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