CVE-Katalog
CVE-2026-82049
In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to mo
- Schweregrad
- High · CVSS 8.4
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.19% · Oct 22, 2026
In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose the contents of that file within the extracted tree.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | pypy3 | sid | 8.0.1+dfsg-1 | vulnerable |
| Debian | pypy3 | forky | 8.0.1+dfsg-1 | vulnerable |
| Debian | pypy3 | trixie | 7.3.19+dfsg-2 | vulnerable |
| Debian | pypy3 | bookworm | 7.3.11+dfsg-2+deb12u3 | not affected |
| Debian | python3.11 | bookworm | 3.11.2-6+deb12u8 | not affected |
| Debian | python3.11 | bookworm-security | 3.11.2-6+deb12u9 | not affected |
| Opensuse | python310 | tumbleweed | 3.10.22-1.1 | fixed |
| Alpine | python3 | 3.21 | 3.12.15-r0 | fixed |
| Alpine | python3 | 3.22 | 3.12.15-r0 | fixed |
| Alpine | python3 | 3.23 | 3.12.15-r0 | fixed |
| Alpine | python3 | 3.24 | 3.14.8-r0 | fixed |
| Fedora | python3.14 | 43 | 0:3.14.8-1.fc43 | fixed |
| Fedora | python3-docs | 43 | 0:3.14.8-1.fc43 | fixed |
| Fedora | python3.14 | 44 | 0:3.14.8-1.fc44 | fixed |
| Fedora | python3-docs | 44 | 0:3.14.8-1.fc44 | fixed |
| Suse | python | linux enterprise module for package hub 15 sp7 | 2.7.18-150000.136.1 | fixed |
| Suse | python-base | linux enterprise module for package hub 15 sp7 | 2.7.18-150000.136.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | pypy3 | source | sid | (unfixed) | not yet assigned | Not reported | [1151858] |
| Debian | pypy3 | source | forky | (unfixed) | not yet assigned | Not reported | [1151858] |
| Debian | pypy3 | source | trixie | (unfixed) | not yet assigned | Not reported | [1151858] |
| Debian | pypy3 | source | bookworm | Not affected | unimportant | Not reported | [1151858] |
| Debian | python3.11 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Opensuse | python310 | rpm | tumbleweed | 3.10.22-1.1 | Not reported | OPENSUSE-SU-2026:12087-1 | Not reported |
| Alpine | python3 | apk | 3.21 | 3.12.15-r0 | Not reported | ALPINE-CVE-2026-82049 | Not reported |
| Alpine | python3 | apk | 3.22 | 3.12.15-r0 | Not reported | ALPINE-CVE-2026-82049 | Not reported |
| Alpine | python3 | apk | 3.23 | 3.12.15-r0 | Not reported | ALPINE-CVE-2026-82049 | Not reported |
| Alpine | python3 | apk | 3.24 | 3.14.8-r0 | Not reported | ALPINE-CVE-2026-82049 | Not reported |
| Fedora | python3.14 | rpm | 43 | 0:3.14.8-1.fc43 | Not reported | FEDORA-2026-A3DA6BB5CD#CVE-2026-82049 | Not reported |
| Fedora | python3-docs | rpm | 43 | 0:3.14.8-1.fc43 | Not reported | FEDORA-2026-A3DA6BB5CD#CVE-2026-82049 | Not reported |
| Fedora | python3.14 | rpm | 44 | 0:3.14.8-1.fc44 | Not reported | FEDORA-2026-6261B26F4E#CVE-2026-82049 | Not reported |
| Fedora | python3-docs | rpm | 44 | 0:3.14.8-1.fc44 | Not reported | FEDORA-2026-6261B26F4E#CVE-2026-82049 | Not reported |
| Suse | python | rpm | linux enterprise module for package hub 15 sp7 | 2.7.18-150000.136.1 | Not reported | SUSE-SU-2026:4738-1 | Not reported |
| Suse | python-base | rpm | linux enterprise module for package hub 15 sp7 | 2.7.18-150000.136.1 | Not reported | SUSE-SU-2026:4738-1 | Not reported |
Notes
[trixie] pypy3: Minor issue
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [idle-python3.13]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13-dbg]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13-dev]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13-minimal]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13-stdlib]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [libpython3.13-testsuite]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [pypy3]Betroffen
Details (2)
7.3.19+dfsg-2· amd64 · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· arm64 · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-dev]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-doc]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-lib]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· amd64 · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· arm64 · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-lib-testsuite]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-tk]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· amd64 · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· arm64 · trixieBetroffen
nvd · pypy3 · debian · 13
- [pypy3-venv]Betroffen
Quellpaket: [pypy3]
Details (2)
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
7.3.19+dfsg-2· all · trixieBetroffen
nvd · pypy3 · debian · 13
- [python3.13]Betroffen
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [python3.13-dbg]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [python3.13-dev]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [python3.13-doc]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [python3.13-examples]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· all · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· all · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
- [python3.13-full]Betroffen
Quellpaket: [python3.13]
Details (4)
3.13.5-2+deb13u3· amd64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u3· arm64 · trixieBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· amd64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
3.13.5-2+deb13u4· arm64 · trixie-updatesBetroffen
nvd · python3.13 · debian · 13
Beobachtet:
Referenzen
- [https://access.redhat.com/errata/RHSA-2026:68132]
- [https://bodhi.fedoraproject.org/updates/FEDORA-2026-6261b26f4e]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2545938]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_4738-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-82049]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-82049]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-82049]
- [https://osv.dev/vulnerability/SUSE-SU-2026:4738-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:12087-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-82049]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3367.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [Fedora security updates (Bodhi)] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]