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CVE-2026-18477

🗓️ 03 Aug 2026 15:34:36Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 6 Views

TOCTOU flaw in GNU tar's incremental dumpdir X rename handling allows out-of-directory file writes during restore.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18477
3 Aug 202615:34
attackerkb
cve
CVE
CVE-2026-18477
3 Aug 202615:34
cve
cvelist
Cvelist
CVE-2026-18477 Tar: tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape
3 Aug 202615:34
cvelist
debiancve
Debian CVE
CVE-2026-18477
3 Aug 202615:34
debiancve
euvd
EUVD
EUVD-2026-52336
3 Aug 202615:34
euvd
nvd
NVD
CVE-2026-18477
3 Aug 202617:16
nvd
osv
OSV
DEBIAN-CVE-2026-18477
3 Aug 202617:16
osv
osv
OSV
ECHO-B8D2-238F-D46B
4 Aug 202607:46
osv
osv
OSV
JLSEC-2026-1344 TOCTOU in GNU tar allows unauthorized file modification by a local attacker
18 Aug 202600:06
osv
osv
OSV
MINI-F95F-CCG5-864X
16 Aug 202609:28
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linux3.19anytar1.35-r2tar-1.35-r2.apk
Alpine Linux3.20anytar1.35-r2tar-1.35-r2.apk
Alpine Linux3.21anytar1.35-r2tar-1.35-r2.apk
Alpine Linux3.22anytar1.35-r3tar-1.35-r3.apk
Alpine Linux3.23anytar1.35-r4tar-1.35-r4.apk
Alpine Linux3.24anytar1.35-r5tar-1.35-r5.apk

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13 Aug 2026 16:09Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.14.4
EPSS0.00104
SSVC
6