SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2024-2653

amphp/http will collect CONTINUATION frames in an unbounded buffer and will not check a limit until it has received the set END_HEADERS flag, resulting in an OOM crash.

HIGH 8.2EPSS 80.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 80.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

amphp/http will collect CONTINUATION frames in an unbounded buffer and will not check a limit until it has received the set END_HEADERS flag, resulting in an OOM crash.

CVSS 3.1
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS
80.26% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Source
cret@cert.org
EPSS trend
0%43%85%3 November 2026: 80.26%3 November 20263 November 2026

EPSS 80.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.