Summary
It was discovered that GnuTLS incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause GnuTLS
to crash, resulting in a denial of service. This issue only affected Ubuntu
18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-4209)
It was discovered that GnuTLS incorrectly handled the verification of
certain pkcs7 signatures. A remote attacker could use this issue to cause
GnuTLS to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2022-2509)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | gnutls28 | 3.5.18-1ubuntu1.6 |
| Ubuntu · 20.04 LTS 20.04:LTS | gnutls28 | 3.6.13-2ubuntu1.7 |
| Ubuntu · 22.04 LTS 22.04:LTS | gnutls28 | 3.7.3-4ubuntu1.1 |
Vulnerabilities 2
-
High 7.5
A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification o…
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Unscored —
A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providin…