GHSA-wjc3-2qjv-c8fp · 深刻度: medium — FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic...
FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic Engineering and Segment Routing TLV parser functions where a uint16_t accumulator variable truncates uint32_t values returned by the TLV_SIZE() macro, causing the loop termination condition to fail while pointer advancement continues unchecked. Attackers with an established OSPF adjacency can send a crafted LS Update packet with a malicious Type 10 or Type 11 Opaque LSA to trigger out-of-bounds memory reads and crash all affected routers in the OSPF area or autonomous system.
総合評価: CVE-2026-28532 は低リスク(28.8/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 0.22%、13 パーセンタイル) 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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。
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 | 0.01% | 0.22% | +0.21% |
| 2 | 2026-05-01 | — | 0.01% | — |
EPSS の全履歴 (全 2 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 |
|---|---|---|---|---|---|---|
| 6.0 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
GHSA-wjc3-2qjv-c8fp · 深刻度: medium — FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic...
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2026-28532 not yet assigned priority: Debian including 1 source packages (frr), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2026-28532 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-28532 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2026-28532/ |
ubuntu
|
medium | CVE-2026-28532 medium priority: Ubuntu including 2 source packages (frr, quagga), 14 status rows across 8 suites (bionic, focal, jammy, noble, questing, resolute, upstream, xenial): needs-triage 10, DNE 4. | https://ubuntu.com/security/CVE-2026-28532 |
| URL | タグ |
|---|---|
| https://github.com/FRRouting/frr/commit/f098decf02987fbf1c891766c1516ac832adadfd | Patch |
| https://github.com/FRRouting/frr/pull/21002 | Issue Tracking Patch |
| https://github.com/FRRouting/frr/releases/tag/frr-10.5.3 | Release Notes |
| https://www.vulncheck.com/advisories/frrouting-integer-overflow-in-ospf-tlv-parser-functions | Third Party Advisory |