PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
総合評価: CVE-2015-8388 は中リスク(64.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 6.59%、93 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 +2.41% 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 | 2026-06-15 | 4.18% | 6.59% | +2.41% |
| 2 | 2026-03-23 | 7.05% | 4.18% | -2.88% |
| 3 | 2026-03-10 | — | 7.05% | — |
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 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-8388 not yet assigned priority: Debian including 1 source packages (pcre3), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. | https://security-tracker.debian.org/tracker/CVE-2015-8388 |
gentoo
|
normal | CVE-2015-8388: 1 GLSA(s) (201607-02), 1 atom(s) (dev-libs/libpcre); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8388 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-8388 |
suse
|
critical | CVE-2015-8388 severity critical: SUSE including 39 source package names (0.9.1:libpcre1-8.39-7.1, 1.0.0:libpcre1-8.39-7.1, …), 160 product×package rows across 70 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (70 product lines)): Fixed 109, Known Not Affected 51. | https://www.suse.com/security/cve/CVE-2015-8388/ |
ubuntu
|
low | CVE-2015-8388 low priority: Ubuntu including 2 source packages (pcre2, pcre3), 10 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 5, DNE 4, not-affected 1. | https://ubuntu.com/security/CVE-2015-8388 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| oracle | linux | 7 | cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* |
| pcre | perl_compatible_regular_expression_library | <= 8.37 | cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-1025.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | |
| http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup | Release Notes Vendor Advisory |
| http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/11/29/1 | Third Party Advisory |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html | Third Party Advisory |
| http://www.securityfocus.com/bid/85576 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2016:1132 | |
| https://bto.bluecoat.com/security-advisory/sa128 | Third Party Advisory |
| https://security.gentoo.org/glsa/201607-02 |