An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.
総合評価: CVE-2022-1271 は高リスク（66.2/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 4.06%、89 パーセンタイル） 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2026-06-24 | 4.30% | 4.06% | -0.24% |
| 2 | 2026-06-15 | 0.81% | 4.30% | +3.49% |
| 3 | 2026-02-07 | — | 0.81% | — |
EPSS の全履歴 （全 29 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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2022-1271: 2 source package rows (gzip, xz); 16 state rows across 8 repos (3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 16, open 0. | https://security.alpinelinux.org/vuln/CVE-2022-1271 |
debian
|
not yet assigned | CVE-2022-1271 not yet assigned priority: Debian including 2 source packages (gzip, xz-utils), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2022-1271 |
gentoo
|
high | CVE-2022-1271: 1 GLSA(s) (202209-01), 2 atom(s) (app-arch/gzip, app-arch/xz-utils); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-1271 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2022-1271 |
suse
|
high | CVE-2022-1271 severity important: SUSE including 573 source package names (0.23.0.3.2.201:liblzma5-5.2.3-150000.4.7.1, 0.23.1-12.3:gzip-1.10-150200.10.1, …), 1676 product×package rows across 500 product lines (Container bci/bci-base-fips, Container bci/bci-init, … (500 product lines)): Fixed 1477, Known Affected 184, Known Not Affected 15. | https://www.suse.com/security/cve/CVE-2022-1271/ |
ubuntu
|
medium | CVE-2022-1271 medium priority: Ubuntu including 2 source packages (gzip, xz-utils), 14 status rows across 7 suites (bionic, focal, impish, jammy, trusty, upstream, xenial): released 12, needs-triage 2. | https://ubuntu.com/security/CVE-2022-1271 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| gnu | gzip | < 1.12 | cpe:2.3:a:gnu:gzip:*:*:*:*:*:*:*:* |
| redhat | jboss_data_grid | 7.0.0 | cpe:2.3:a:redhat:jboss_data_grid:7.0.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| tukaani | xz | < 5.2.5 | cpe:2.3:a:tukaani:xz:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/security/cve/CVE-2022-1271 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2073310 | Issue Tracking Third Party Advisory |
| https://git.tukaani.org/?p=xz.git%3Ba=commit%3Bh=69d1b3fc29677af8ade8dc15dba83f0589cb63d6 | Broken Link |
| https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html | Mailing List Patch Vendor Advisory |
| https://security-tracker.debian.org/tracker/CVE-2022-1271 | Third Party Advisory |
| https://security.gentoo.org/glsa/202209-01 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220930-0006/ | Third Party Advisory |
| https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch | Patch Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2022/04/07/8 | Mailing List Patch Third Party Advisory |