Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.
総合評価: CVE-2014-9087 は中リスク(58.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 4.48%、89 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 | 2026-05-13 | 6.90% | 4.48% | -2.42% |
| 2 | 2026-02-27 | 6.16% | 6.90% | +0.75% |
| 3 | 2026-01-09 | — | 6.16% | — |
EPSS の全履歴 (全 17 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
|
unimportant | CVE-2014-9087 unimportant priority: Debian including 2 source packages (gnupg2, libksba), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2014-9087 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-9087 |
suse
|
high | CVE-2014-9087 severity important: SUSE including 262 source package names (0.9.1:libksba8-1.3.0-9.1, 1.0.0:libksba8-1.3.0-9.1, …), 331 product×package rows across 91 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (91 product lines)): Fixed 173, Known Affected 157, Known Not Affected 1. | https://www.suse.com/security/cve/CVE-2014-9087/ |
ubuntu
|
medium | CVE-2014-9087 medium priority: Ubuntu including 2 source packages (gnupg2, libksba), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 4, not-affected 3, DNE 1, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2014-9087 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mageia | mageia | 3.0 | cpe:2.3:o:mageia:mageia:3.0:*:*:*:*:*:*:* |
| mageia | mageia | 4.0 | cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| gnupg | libksba | < 1.3.2 | cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| gnupg | gnupg | 2.1.0 | cpe:2.3:a:gnupg:gnupg:2.1.0:-:*:*:*:*:*:* |
| gnupg | gnupg | 2.1.0 | cpe:2.3:a:gnupg:gnupg:2.1.0:beta1:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://advisories.mageia.org/MGASA-2014-0498.html | Third Party Advisory |
| http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html | Mailing List Vendor Advisory |
| http://secunia.com/advisories/60073 | Third Party Advisory |
| http://secunia.com/advisories/60189 | Third Party Advisory |
| http://secunia.com/advisories/60233 | Third Party Advisory |
| http://www.debian.org/security/2014/dsa-3078 | Third Party Advisory |
| http://www.mandriva.com/security/advisories?name=MDVSA-2014:234 | Not Applicable |
| http://www.mandriva.com/security/advisories?name=MDVSA-2015:151 | Not Applicable |
| http://www.securityfocus.com/bid/71285 | Third Party Advisory VDB Entry |
| http://www.ubuntu.com/usn/USN-2427-1 | Patch Third Party Advisory |
| https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html | Third Party Advisory |