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CVE-2026-10725— Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb

AI Predicted 5.3 Difficulty: Easy EPSS 0.41% · P35

Affected Version Matrix 1

VendorProductVersion RangeStatus
CRUXProtocol::HTTP2< 1.13affected
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I. Basic Information for CVE-2026-10725

Vulnerability Information
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Vulnerability Title
Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb
Source: CVE Program / CVE List V5
Vulnerability Description
Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory (the "HTTP/2 bomb"). The headers_decode method materialises a full key+value copy per indexed reference with no running size check, and the stream_header_block_add method appends (since version 1.12) every CONTINUATION frame to the per-stream buffer unbounded. MAX_HEADER_LIST_SIZE (default 65536) is advertised in SETTINGS but never consulted on decode. It is absent from the decoder and from the :limits export tag.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Source: CVE Program / CVE List V5
Vulnerability Title
Protocol::HTTP2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Protocol::HTTP2是CRUX个人开发者的一个实现HTTP/2协议编解码、帧处理和连接管理功能的Ruby协议库。 Protocol::HTTP2 1.12及之前版本存在安全漏洞，该漏洞源于HPACK路径无标头列表大小限制，可能导致HTTP/2炸弹攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
CRUXProtocol::HTTP2 0 ~ 1.13 -

II. Public POCs for CVE-2026-10725

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III. Intelligence Information for CVE-2026-10725

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Patches & Fixes for CVE-2026-10725 (2)

Vendor Pages for CVE-2026-10725 (1)

Other References for CVE-2026-10725 (1)

IV. Related Vulnerabilities

Same weakness: CWE-409

V. Comments for CVE-2026-10725

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