{"id":"CVE-2020-12403","state":"PUBLISHED","title":"A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fix","description":"A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from this vulnerability is to confidentiality and system availability.","publishedAt":"2021-05-27T00:00:00.000Z","updatedAt":"2024-08-04T11:56:51.720Z","severity":null,"assigner":"mozilla","products":["n/a nss"],"affected":[{"vendor":"n/a","product":"nss","versions":[{"version":"nss 3.55","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1868931","https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes","https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html","https://security.netapp.com/advisory/ntap-20230324-0006/"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T19:46:27.697Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/12xxx/CVE-2020-12403.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-12403","state":"PUBLISHED","datePublished":"2021-05-27T00:00:00.000Z","dateUpdated":"2024-08-04T11:56:51.720Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2020-04-28T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from this vulnerability is to confidentiality and system availability."}],"affected":[{"vendor":"n/a","product":"nss","versions":[{"version":"nss 3.55","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868931"},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes"},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html","name":"[debian-lts-announce] 20230220 [SECURITY] [DLA 3327-1] nss security update","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20230324-0006/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125"}]}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2023-03-24T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868931","tags":["x_transferred"]},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html","name":"[debian-lts-announce] 20230220 [SECURITY] [DLA 3327-1] nss security update","tags":["mailing-list","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230324-0006/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T11:56:51.720Z"}}]}}}