The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
総合評価: CVE-2011-3594 は悪用リスクが高い（62.3/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.19%、86 パーセンタイル） 根拠: 公開エクスプロイトが 1 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-19 | 3.31% | 3.19% | -0.12% |
| 2 | 2026-06-15 | 0.96% | 3.31% | +2.35% |
| 3 | 2025-03-30 | — | 0.96% | — |
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 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2011-3594 unimportant priority: Debian including 1 source packages (pidgin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-3594 |
gentoo
|
high | CVE-2011-3594: 1 GLSA(s) (201206-11), 1 atom(s) (net-im/pidgin); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3594 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2011-3594 |
ubuntu
|
medium | CVE-2011-3594 medium priority: Ubuntu including 1 source packages (pidgin), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 3, ignored 1, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2011-3594 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| pidgin | libpurple | <= 2.10.0 | cpe:2.3:a:pidgin:libpurple:*:*:*:*:*:*:*:* |
| pidgin | libpurple | 1.0 | cpe:2.3:a:pidgin:libpurple:1.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.0.0 | cpe:2.3:a:pidgin:libpurple:2.0.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.0.1 | cpe:2.3:a:pidgin:libpurple:2.0.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.0.2 | cpe:2.3:a:pidgin:libpurple:2.0.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.1.0 | cpe:2.3:a:pidgin:libpurple:2.1.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.1.1 | cpe:2.3:a:pidgin:libpurple:2.1.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.2.0 | cpe:2.3:a:pidgin:libpurple:2.2.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.2.1 | cpe:2.3:a:pidgin:libpurple:2.2.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.2.2 | cpe:2.3:a:pidgin:libpurple:2.2.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.3.0 | cpe:2.3:a:pidgin:libpurple:2.3.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.3.1 | cpe:2.3:a:pidgin:libpurple:2.3.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.4.0 | cpe:2.3:a:pidgin:libpurple:2.4.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.4.1 | cpe:2.3:a:pidgin:libpurple:2.4.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.4.2 | cpe:2.3:a:pidgin:libpurple:2.4.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.4.3 | cpe:2.3:a:pidgin:libpurple:2.4.3:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.0 | cpe:2.3:a:pidgin:libpurple:2.5.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.1 | cpe:2.3:a:pidgin:libpurple:2.5.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.2 | cpe:2.3:a:pidgin:libpurple:2.5.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.3 | cpe:2.3:a:pidgin:libpurple:2.5.3:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.4 | cpe:2.3:a:pidgin:libpurple:2.5.4:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.5 | cpe:2.3:a:pidgin:libpurple:2.5.5:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.6 | cpe:2.3:a:pidgin:libpurple:2.5.6:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.7 | cpe:2.3:a:pidgin:libpurple:2.5.7:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.8 | cpe:2.3:a:pidgin:libpurple:2.5.8:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.5.9 | cpe:2.3:a:pidgin:libpurple:2.5.9:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.0 | cpe:2.3:a:pidgin:libpurple:2.6.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.1 | cpe:2.3:a:pidgin:libpurple:2.6.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.2 | cpe:2.3:a:pidgin:libpurple:2.6.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.3 | cpe:2.3:a:pidgin:libpurple:2.6.3:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.4 | cpe:2.3:a:pidgin:libpurple:2.6.4:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.5 | cpe:2.3:a:pidgin:libpurple:2.6.5:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.6.6 | cpe:2.3:a:pidgin:libpurple:2.6.6:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.0 | cpe:2.3:a:pidgin:libpurple:2.7.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.1 | cpe:2.3:a:pidgin:libpurple:2.7.1:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.2 | cpe:2.3:a:pidgin:libpurple:2.7.2:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.3 | cpe:2.3:a:pidgin:libpurple:2.7.3:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.4 | cpe:2.3:a:pidgin:libpurple:2.7.4:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.5 | cpe:2.3:a:pidgin:libpurple:2.7.5:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.6 | cpe:2.3:a:pidgin:libpurple:2.7.6:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.7 | cpe:2.3:a:pidgin:libpurple:2.7.7:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.8 | cpe:2.3:a:pidgin:libpurple:2.7.8:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.9 | cpe:2.3:a:pidgin:libpurple:2.7.9:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.10 | cpe:2.3:a:pidgin:libpurple:2.7.10:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.7.11 | cpe:2.3:a:pidgin:libpurple:2.7.11:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.8.0 | cpe:2.3:a:pidgin:libpurple:2.8.0:*:*:*:*:*:*:* |
| pidgin | libpurple | 2.9.0 | cpe:2.3:a:pidgin:libpurple:2.9.0:*:*:*:*:*:*:* |
| pidgin | pidgin | — | cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* |