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4.3
CVSSv2

CVE-2021-36980

Published: 20/07/2021 Updated: 26/11/2023
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
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Vulnerability Summary

Open vSwitch (aka openvswitch) 2.11.0 up to and including 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

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Vendor Advisories

Debian CVElist Bug Report Logs: openvswitch: CVE-2021-36980
Debian Bug report logs - #991308 openvswitch: CVE-2021-36980 Package: src:openvswitch; Maintainer for src:openvswitch is Debian OpenStack <team+openstack@trackerdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Tue, 20 Jul 2021 12:21:02 UTC Severity: important Tags: security, upstream Found in ver ...
Arch Linux Issues:
Open vSwitch (aka openvswitch) 2110 through 2150 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action ...

References

CWE-416https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58fhttps://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yamlhttps://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2https://security.gentoo.org/glsa/202311-16https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991308https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4946CVE-2024-30309CVE-2024-4761CVE-2024-30051type confusionmemory leakCVE-2024-30293reflected XSSCVE-2024-3126
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