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MEDIUM

CVE-2025-2784

CVSS v3

6.5

MEDIUM

EPSS Score

0.9 %

exploit probability, as of 2026-10-18

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libsoupAlmaLinux:9all versions · fixed in 2.72.0-10.el9_6.2and 1 other package
  • libsoupAlmaLinux:8all versions · fixed in 2.62.3-9.el8_10and 1 other package
  • libsoup3AlmaLinux:10all versions · fixed in 3.6.5-3.el10_0and 2 other packages

Vendor advisories

  • CVE-2025-2784 Red Hat Product Security285 products fixed · 3 known affected

    libsoup: Heap buffer over-read in `skip_insignificant_space` when sniffing content

    libsoup as a component of Red Hat Enterprise Linux 6 · libsoup-devel as a component of Red Hat Enterprise Linux 6 · libsoup.src as a component of Red Hat Enterprise Linux 6

  • RHSA-2025:21657 Red Hat Product Security22 products fixed

    Red Hat Security Advisory: libsoup security update

  • RHSA-2025:9179 Red Hat Product Security16 products fixed

    Red Hat Security Advisory: libsoup security update

  • RHSA-2025:8663 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: libsoup security update

  • RHSA-2025:8482 Red Hat Product Security57 products fixed

    Red Hat Security Advisory: libsoup security update

  • RHSA-2025:8480 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: libsoup security update

7 more advisories

Full record on NVD

Description

A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.

Technical details

Published
2025-04-03

Frequently asked questions

What is CVE-2025-2784?

A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.

Is CVE-2025-2784 actively exploited?

Active exploitation of CVE-2025-2784 has not been confirmed. Its EPSS score was 0.9% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-2784?

CVE-2025-2784 has a CVSS v3 base score of 6.5 (MEDIUM severity).

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