CVE-2020-23856

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Summary

CVECVE-2020-23856
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-18 15:15:00 UTC
Updated2023-11-07 03:19:00 UTC
DescriptionUse-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Gnu Cflow 1.6 All All All

References

ReferenceSourceLinkTags
PoC/PoC_cflow_uaf_parser_line1284 at master · yangjiageng/PoC · GitHub MISC github.com
[SECURITY] Fedora 34 Update: cflow-1.6-8.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: cflow-1.6-8.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: cflow-1.6-8.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: cflow-1.6-8.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
cflow 1.6 "void call(char *name, int line)" function Use-after-Free vuln MISC lists.gnu.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 281110 Fedora Security Update for cflow (FEDORA-2021-e8cab459ab)
  • 281111 Fedora Security Update for cflow (FEDORA-2021-6ef76430d0)
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