Page generated: 07 Nov 2026, 04:22 UTC
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CVE-2026-121006

HTTP::Body versions before 1.24_02 for Perl parse the trailer in quadratic time. Everything after the last chunk in the same call to add() is parsed with HTTP::Headers, which takes time quadratic in the number of fields of one name. For example, it takes several seconds to parse …

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HTTP::Body versions before 1.24_02 for Perl parse the trailer in quadratic time. Everything after the last chunk in the same call to add() is parsed with HTTP::Headers, which takes time quadratic in the number of fields of one name. For example, it takes several seconds to parse 16 KiB of "a:" lines. A remote attackercan exhause the CPU with a single request. HTTP::Body version 1.25 limits the size and number of lines in the trailer.
CVSS — (—)

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
—/10
Missing inputs: range of priority

Evidence confidence: Insufficient evidence

Why this priority?

    Technical severity unavailable; Fresh prediction unavailable

    General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

    Sources: 1 documents and public datasets.

    Hype components

    Headline sample (25%)
    0/100
    Press, 30 days (60%)
    0/100
    Grounded branding (15%)
    0/100
    HYPE TOTAL0/100

    Sources and documents

    Latest Vulnerabilities
    Technical advisory · 06 Nov 2026, 08:17 · CVE-2026-121006 - HTTP::Body versions before 1.24_02 for Perl parse the trailer in quadratic time

    Score evolution

    ● Hype   ● Reality

    No changes recorded yet: the series starts with the next recalculation.

    Public exploit evidence

    0

    Public exploit entries / repo candidates

    Evidence context and dated references

    Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs. Published 0 days ago. Exploitation evidence usually takes weeks to show up: a low reality score can mean there is no data yet, not that the flaw is mild.

    Evidence in context

    Confidence in exploitation evidence
    Insufficient evidence
    Priority basis
    Exploitation in attacks unconfirmed; severity unavailable; fresh prediction unavailable
    Attention, last 30 days
    0 distinct story titles; 0 press documents; 0 publisher domains.
    Technical potential
    Not available as a validated CVSS vector..
    Observed activity
    No exploitation observation is recorded.
    Known scale
    Not quantified.
    Evidence confidence basis
    Insufficient evidence

    Score evaluated: 2026-11-06 09:35:20.209359+00:00 · EPSS snapshot: not available

    Source event timeline
    Published
    06 Nov 2026, 07:47
    Score calculated
    06 Nov 2026, 09:35