The gif_read_lzw function in filter/image-gif.c in CUPS 1.4.8 and earlier does not properly handle the first code word in an LZW stream, which allows remote attackers to trigger a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted stream, a different vulnerability than CVE-2011-2896.
総合評価: CVE-2011-3170 は中リスク（54.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 9.15%、92 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +1.46% 上昇。悪用への関心が高まっている可能性があります。 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 | 2026-02-18 | 7.69% | 9.15% | +1.46% |
| 2 | 2025-03-30 | 10.81% | 7.69% | -3.12% |
| 3 | 2025-03-29 | — | 10.81% | — |
EPSS の全履歴 （全 10 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 |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-3170 not yet assigned priority: Debian including 1 source packages (cups), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-3170 |
gentoo
|
high | CVE-2011-3170: 1 GLSA(s) (201207-10), 1 atom(s) (net-print/cups); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3170 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2011-3170 |
ubuntu
|
medium | CVE-2011-3170 medium priority: Ubuntu including 4 source packages (cups, cupsys, gimp, swi-prolog), 136 status rows across 34 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, impish, jammy, kinetic, lucid, lunar, mantic, maverick, natty, noble, oneiric, oracular, plucky, precise, quantal, questing, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 60 (6 distinct statuses). | https://ubuntu.com/security/CVE-2011-3170 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| apple | cups | <= 1.4.8 | cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:* |
| apple | cups | 1.1 | cpe:2.3:a:apple:cups:1.1:*:*:*:*:*:*:* |
| apple | cups | 1.1.1 | cpe:2.3:a:apple:cups:1.1.1:*:*:*:*:*:*:* |
| apple | cups | 1.1.2 | cpe:2.3:a:apple:cups:1.1.2:*:*:*:*:*:*:* |
| apple | cups | 1.1.3 | cpe:2.3:a:apple:cups:1.1.3:*:*:*:*:*:*:* |
| apple | cups | 1.1.4 | cpe:2.3:a:apple:cups:1.1.4:*:*:*:*:*:*:* |
| apple | cups | 1.1.5 | cpe:2.3:a:apple:cups:1.1.5:*:*:*:*:*:*:* |
| apple | cups | 1.1.5-1 | cpe:2.3:a:apple:cups:1.1.5-1:*:*:*:*:*:*:* |
| apple | cups | 1.1.5-2 | cpe:2.3:a:apple:cups:1.1.5-2:*:*:*:*:*:*:* |
| apple | cups | 1.1.6 | cpe:2.3:a:apple:cups:1.1.6:*:*:*:*:*:*:* |
| apple | cups | 1.1.6-1 | cpe:2.3:a:apple:cups:1.1.6-1:*:*:*:*:*:*:* |
| apple | cups | 1.1.6-2 | cpe:2.3:a:apple:cups:1.1.6-2:*:*:*:*:*:*:* |
| apple | cups | 1.1.6-3 | cpe:2.3:a:apple:cups:1.1.6-3:*:*:*:*:*:*:* |
| apple | cups | 1.1.7 | cpe:2.3:a:apple:cups:1.1.7:*:*:*:*:*:*:* |
| apple | cups | 1.1.8 | cpe:2.3:a:apple:cups:1.1.8:*:*:*:*:*:*:* |
| apple | cups | 1.1.9 | cpe:2.3:a:apple:cups:1.1.9:*:*:*:*:*:*:* |
| apple | cups | 1.1.9-1 | cpe:2.3:a:apple:cups:1.1.9-1:*:*:*:*:*:*:* |
| apple | cups | 1.1.10 | cpe:2.3:a:apple:cups:1.1.10:*:*:*:*:*:*:* |
| apple | cups | 1.1.10-1 | cpe:2.3:a:apple:cups:1.1.10-1:*:*:*:*:*:*:* |
| apple | cups | 1.1.11 | cpe:2.3:a:apple:cups:1.1.11:*:*:*:*:*:*:* |
| apple | cups | 1.1.12 | cpe:2.3:a:apple:cups:1.1.12:*:*:*:*:*:*:* |
| apple | cups | 1.1.13 | cpe:2.3:a:apple:cups:1.1.13:*:*:*:*:*:*:* |
| apple | cups | 1.1.14 | cpe:2.3:a:apple:cups:1.1.14:*:*:*:*:*:*:* |
| apple | cups | 1.1.15 | cpe:2.3:a:apple:cups:1.1.15:*:*:*:*:*:*:* |
| apple | cups | 1.1.16 | cpe:2.3:a:apple:cups:1.1.16:*:*:*:*:*:*:* |
| apple | cups | 1.1.17 | cpe:2.3:a:apple:cups:1.1.17:*:*:*:*:*:*:* |
| apple | cups | 1.1.18 | cpe:2.3:a:apple:cups:1.1.18:*:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:*:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:rc1:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:rc2:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:rc3:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:rc4:*:*:*:*:*:* |
| apple | cups | 1.1.19 | cpe:2.3:a:apple:cups:1.1.19:rc5:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:*:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc1:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc2:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc3:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc4:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc5:*:*:*:*:*:* |
| apple | cups | 1.1.20 | cpe:2.3:a:apple:cups:1.1.20:rc6:*:*:*:*:*:* |
| apple | cups | 1.1.21 | cpe:2.3:a:apple:cups:1.1.21:*:*:*:*:*:*:* |
| apple | cups | 1.1.21 | cpe:2.3:a:apple:cups:1.1.21:rc1:*:*:*:*:*:* |
| apple | cups | 1.1.21 | cpe:2.3:a:apple:cups:1.1.21:rc2:*:*:*:*:*:* |
| apple | cups | 1.1.22 | cpe:2.3:a:apple:cups:1.1.22:*:*:*:*:*:*:* |
| apple | cups | 1.1.22 | cpe:2.3:a:apple:cups:1.1.22:rc1:*:*:*:*:*:* |
| apple | cups | 1.1.22 | cpe:2.3:a:apple:cups:1.1.22:rc2:*:*:*:*:*:* |
| apple | cups | 1.1.23 | cpe:2.3:a:apple:cups:1.1.23:*:*:*:*:*:*:* |
| apple | cups | 1.1.23 | cpe:2.3:a:apple:cups:1.1.23:rc1:*:*:*:*:*:* |
| apple | cups | 1.2 | cpe:2.3:a:apple:cups:1.2:b1:*:*:*:*:*:* |
| apple | cups | 1.2 | cpe:2.3:a:apple:cups:1.2:b2:*:*:*:*:*:* |
| apple | cups | 1.2 | cpe:2.3:a:apple:cups:1.2:rc1:*:*:*:*:*:* |
| apple | cups | 1.2 | cpe:2.3:a:apple:cups:1.2:rc2:*:*:*:*:*:* |
| apple | cups | 1.2 | cpe:2.3:a:apple:cups:1.2:rc3:*:*:*:*:*:* |
| apple | cups | 1.2.0 | cpe:2.3:a:apple:cups:1.2.0:*:*:*:*:*:*:* |
| apple | cups | 1.2.1 | cpe:2.3:a:apple:cups:1.2.1:*:*:*:*:*:*:* |
| apple | cups | 1.2.2 | cpe:2.3:a:apple:cups:1.2.2:*:*:*:*:*:*:* |
| apple | cups | 1.2.3 | cpe:2.3:a:apple:cups:1.2.3:*:*:*:*:*:*:* |
| apple | cups | 1.2.4 | cpe:2.3:a:apple:cups:1.2.4:*:*:*:*:*:*:* |
| apple | cups | 1.2.5 | cpe:2.3:a:apple:cups:1.2.5:*:*:*:*:*:*:* |
| apple | cups | 1.2.6 | cpe:2.3:a:apple:cups:1.2.6:*:*:*:*:*:*:* |
| apple | cups | 1.2.7 | cpe:2.3:a:apple:cups:1.2.7:*:*:*:*:*:*:* |
| apple | cups | 1.2.8 | cpe:2.3:a:apple:cups:1.2.8:*:*:*:*:*:*:* |
| apple | cups | 1.2.9 | cpe:2.3:a:apple:cups:1.2.9:*:*:*:*:*:*:* |
| apple | cups | 1.2.10 | cpe:2.3:a:apple:cups:1.2.10:*:*:*:*:*:*:* |
| apple | cups | 1.2.11 | cpe:2.3:a:apple:cups:1.2.11:*:*:*:*:*:*:* |
| apple | cups | 1.2.12 | cpe:2.3:a:apple:cups:1.2.12:*:*:*:*:*:*:* |
| apple | cups | 1.3 | cpe:2.3:a:apple:cups:1.3:b1:*:*:*:*:*:* |
| apple | cups | 1.3 | cpe:2.3:a:apple:cups:1.3:rc1:*:*:*:*:*:* |
| apple | cups | 1.3 | cpe:2.3:a:apple:cups:1.3:rc2:*:*:*:*:*:* |
| apple | cups | 1.3.0 | cpe:2.3:a:apple:cups:1.3.0:*:*:*:*:*:*:* |
| apple | cups | 1.3.1 | cpe:2.3:a:apple:cups:1.3.1:*:*:*:*:*:*:* |
| apple | cups | 1.3.2 | cpe:2.3:a:apple:cups:1.3.2:*:*:*:*:*:*:* |
| apple | cups | 1.3.3 | cpe:2.3:a:apple:cups:1.3.3:*:*:*:*:*:*:* |
| apple | cups | 1.3.4 | cpe:2.3:a:apple:cups:1.3.4:*:*:*:*:*:*:* |
| apple | cups | 1.3.5 | cpe:2.3:a:apple:cups:1.3.5:*:*:*:*:*:*:* |
| apple | cups | 1.3.6 | cpe:2.3:a:apple:cups:1.3.6:*:*:*:*:*:*:* |
| apple | cups | 1.3.7 | cpe:2.3:a:apple:cups:1.3.7:*:*:*:*:*:*:* |
| apple | cups | 1.3.8 | cpe:2.3:a:apple:cups:1.3.8:*:*:*:*:*:*:* |
| apple | cups | 1.3.9 | cpe:2.3:a:apple:cups:1.3.9:*:*:*:*:*:*:* |
| apple | cups | 1.3.10 | cpe:2.3:a:apple:cups:1.3.10:*:*:*:*:*:*:* |