An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.
総合評価: CVE-2018-6003 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 2.84%、85 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 | 2026-06-15 | 2.55% | 2.84% | +0.30% |
| 2 | 2026-05-27 | 1.58% | 2.55% | +0.96% |
| 3 | 2025-11-21 | — | 1.58% | — |
EPSS の全履歴 (全 16 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 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2018-6003: 1 source package rows (libtasn1); 15 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 5. | https://security.alpinelinux.org/vuln/CVE-2018-6003 |
debian
|
not yet assigned | CVE-2018-6003 not yet assigned priority: Debian including 1 source packages (libtasn1-6), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-6003 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-6003 |
suse
|
high | CVE-2018-6003 severity important: SUSE including 299 source package names (0.9.1:libtasn1-4.9-3.5.1, 0.9.1:libtasn1-6-4.9-3.5.1, …), 457 product×package rows across 96 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (96 product lines)): Fixed 242, Known Affected 157, Known Not Affected 58. | https://www.suse.com/security/cve/CVE-2018-6003/ |
ubuntu
|
medium | CVE-2018-6003 medium priority: Ubuntu including 2 source packages (libtasn1-3, libtasn1-6), 8 status rows across 4 suites (artful, trusty, upstream, xenial): DNE 3, released 3, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2018-6003 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| gnu | libtasn1 | <= 4.12 | cpe:2.3:a:gnu:libtasn1:*:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 26 | cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:* |
| fedoraproject | fedora | 27 | cpe:2.3:o:fedoraproject:fedora:27:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 | Patch Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1535926 | Issue Tracking Third Party Advisory |
| https://bugzilla.suse.com/show_bug.cgi?id=1076832 | Issue Tracking Third Party Advisory |
| https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 | 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 | |
| https://www.debian.org/security/2018/dsa-4106 | Third Party Advisory |