Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.
総合評価: CVE-2015-8077 は中リスク（56.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 3.45%、86 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 | 2025-03-30 | 7.31% | 3.45% | -3.86% |
| 2 | 2025-03-29 | 3.45% | 7.31% | +3.86% |
| 3 | 2025-03-19 | — | 3.45% | — |
EPSS の全履歴 （全 8 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 |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-8077 |
ubuntu
|
medium | CVE-2015-8077 medium priority: Ubuntu including 2 source packages (cyrus-imapd, cyrus-imapd-2.4), 50 status rows across 25 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 24, not-affected 19, ignored 4, released 2, needed 1. | https://ubuntu.com/security/CVE-2015-8077 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| cyrus | imap | 2.3.0 | cpe:2.3:a:cyrus:imap:2.3.0:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.1 | cpe:2.3:a:cyrus:imap:2.3.1:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.2 | cpe:2.3:a:cyrus:imap:2.3.2:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.3 | cpe:2.3:a:cyrus:imap:2.3.3:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.4 | cpe:2.3:a:cyrus:imap:2.3.4:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.5 | cpe:2.3:a:cyrus:imap:2.3.5:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.6 | cpe:2.3:a:cyrus:imap:2.3.6:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.7 | cpe:2.3:a:cyrus:imap:2.3.7:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.8 | cpe:2.3:a:cyrus:imap:2.3.8:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.9 | cpe:2.3:a:cyrus:imap:2.3.9:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.10 | cpe:2.3:a:cyrus:imap:2.3.10:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.11 | cpe:2.3:a:cyrus:imap:2.3.11:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.12 | cpe:2.3:a:cyrus:imap:2.3.12:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.13 | cpe:2.3:a:cyrus:imap:2.3.13:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.14 | cpe:2.3:a:cyrus:imap:2.3.14:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.15 | cpe:2.3:a:cyrus:imap:2.3.15:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.16 | cpe:2.3:a:cyrus:imap:2.3.16:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.17 | cpe:2.3:a:cyrus:imap:2.3.17:*:*:*:*:*:*:* |
| cyrus | imap | 2.3.18 | cpe:2.3:a:cyrus:imap:2.3.18:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.0 | cpe:2.3:a:cyrus:imap:2.4.0:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.1 | cpe:2.3:a:cyrus:imap:2.4.1:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.2 | cpe:2.3:a:cyrus:imap:2.4.2:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.3 | cpe:2.3:a:cyrus:imap:2.4.3:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.4 | cpe:2.3:a:cyrus:imap:2.4.4:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.5 | cpe:2.3:a:cyrus:imap:2.4.5:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.6 | cpe:2.3:a:cyrus:imap:2.4.6:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.7 | cpe:2.3:a:cyrus:imap:2.4.7:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.8 | cpe:2.3:a:cyrus:imap:2.4.8:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.9 | cpe:2.3:a:cyrus:imap:2.4.9:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.10 | cpe:2.3:a:cyrus:imap:2.4.10:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.11 | cpe:2.3:a:cyrus:imap:2.4.11:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.12 | cpe:2.3:a:cyrus:imap:2.4.12:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.13 | cpe:2.3:a:cyrus:imap:2.4.13:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.14 | cpe:2.3:a:cyrus:imap:2.4.14:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.15 | cpe:2.3:a:cyrus:imap:2.4.15:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.16 | cpe:2.3:a:cyrus:imap:2.4.16:*:*:*:*:*:*:* |
| cyrus | imap | 2.4.17 | cpe:2.3:a:cyrus:imap:2.4.17:*:*:*:*:*:*:* |
| cyrus | imap | 2.5.0 | cpe:2.3:a:cyrus:imap:2.5.0:*:*:*:*:*:*:* |
| cyrus | imap | 2.5.1 | cpe:2.3:a:cyrus:imap:2.5.1:*:*:*:*:*:*:* |
| cyrus | imap | 2.5.2 | cpe:2.3:a:cyrus:imap:2.5.2:*:*:*:*:*:*:* |
| cyrus | imap | 2.5.3 | cpe:2.3:a:cyrus:imap:2.5.3:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |