pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
総合評価: CVE-2019-9923 は中リスク(60/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 3.03%、86 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-17 | 3.05% | 3.03% | -0.03% |
| 2 | 2026-06-15 | 0.40% | 3.05% | +2.65% |
| 3 | 2026-04-12 | — | 0.40% | — |
EPSS の全履歴 (全 22 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2019-9923: 1 source package rows (tar); 10 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 10. | https://security.alpinelinux.org/vuln/CVE-2019-9923 |
debian
|
unimportant | CVE-2019-9923 unimportant priority: Debian including 1 source packages (tar), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-9923 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2019-9923 |
suse
|
low | CVE-2019-9923 severity low: SUSE including 317 source package names (0.23.1-12.3:tar-1.34-150000.3.12.1, 0.45.0.7.7.1:tar-1.30-3.3.2, …), 693 product×package rows across 405 product lines (Container bci/bci-sle15-kernel-module-devel, Container bci/kiwi, … (405 product lines)): Fixed 542, Known Affected 151. | https://www.suse.com/security/cve/CVE-2019-9923/ |
ubuntu
|
low | CVE-2019-9923 low priority: Ubuntu including 1 source packages (tar), 12 status rows across 12 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): released 6, ignored 5, not-affected 1. | https://ubuntu.com/security/CVE-2019-9923 |
| URL | タグ |
|---|---|
| http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 | Mailing List Patch Vendor Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html | Mailing List Third Party Advisory |
| http://savannah.gnu.org/bugs/?55369 | Permissions Required Third Party Advisory |
| https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 | Issue Tracking Patch Third Party Advisory |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E | |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E |