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5.5
CVSSv3

CVE-2021-45958

Published: 01/01/2022 Updated: 07/11/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Summary

UltraJSON (aka ujson) up to and including 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

Vulnerability Trend

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ultrajson project ultrajson

debian debian linux 9.0

fedoraproject fedora 35

fedoraproject fedora 36

fedoraproject fedora 37

Vendor Advisories

Debian CVElist Bug Report Logs: ujson: CVE-2021-45958
Debian Bug report logs - #1005140 ujson: CVE-2021-45958 Package: src:ujson; Maintainer for src:ujson is Debian Python Team <team+python@trackerdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 7 Feb 2022 19:51:04 UTC Severity: important Tags: security, upstream Found in versions ujson/5 ...

References

CWE-787https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yamlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009https://github.com/ultrajson/ultrajson/issues/501https://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284https://github.com/ultrajson/ultrajson/pull/504https://lists.debian.org/debian-lts-announce/2022/02/msg00023.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CN7W3GOXALINKFUUE7ICQIC2EF5HNKUQ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ULX35TSWLBBIMEH44MUORPXYYRZKEDC6/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O6JUWQTJLA2CMG4CJN7DCUVSOXLZIIXL/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NAU5N4A7EUK2AMUCOLYDD5ARXAJYZBD2/https://nvd.nist.govhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1005140
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
TCPCVE-2024-4577CVE-2024-2695CVE-2024-31870injectionCVE-2024-3813arbitrary codeCVE-2024-27801CVE-2024-30120
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