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Fencer Vulns
critical 9.8

CVE-2017-2885 in the critical feed json

An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58.

published 2018-04-24 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12026

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
23.1%
EPSS 23.1% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58. A specially crafted HTTP request can cause a stack overflow resulting in remote code execution. An attacker can send a special HTTP request to the vulnerable server to trigger this vulnerability.

Patch / fix

  • libsoup2.4 Debian 13, Debian 12 2.56.1-1

debian advisories DEBIAN-CVE-2017-2885

  • libsoup2.4 Ubuntu 14.04 LTS 2.44.2-1ubuntu2.2
  • libsoup2.4 Ubuntu 16.04 LTS 2.52.2-1ubuntu0.2

ubuntu advisories UBUNTU-CVE-2017-2885

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libsoup RHEL 7 2.56.0-4.el7_4

red hat advisories RHSA-2017:2459

  • libsoup SLES 12 SP3, SLED 12 SP3, SLE Software Development Kit 12 SP3 +5 more 2.62.2-5.7.1
  • libsoup SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 2.54.1-5.3.1
  • libsoup SLES for SAP 12 SP1, SLES for SAP 12, SLES 12-LTSS +2 more 2.44.2-2.3.1

suse advisories SUSE-SU-2018:2204-2SUSE-SU-2018:2204-1SUSE-SU-2017:2129-1SUSE-SU-2017:2130-1

  • libsoup openSUSE Tumbleweed 2.72.0-2.5

opensuse advisories openSUSE-SU-2024:10994-1

  • libsoup Alpine 3.23, Alpine 3.22, Alpine 3.21 +15 more 2.58.2-r0
  • libsoup Alpine 3.3 2.52.2-r1
  • libsoup Alpine 3.4 2.54.1-r1
  • libsoup Alpine 3.5 2.56.1-r0

alpine advisories ALPINE-CVE-2017-2885

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-2885 updated cvss 7.3

libsoup: Stack based buffer overflow with HTTP Chunked Encoding

  • Red Hat Enterprise Linux Client (v. 7) libsoup 2.56.0-4.el7_4 Red Hat Enterprise Linux Client Optional (v. 7) libsoup-devel 2.56.0-4.el7_4, libsoup-debuginfo 2.56.0-4.el7_4 Red Hat Enterprise Linux ComputeNode (v. 7) libsoup 2.56.0-4.el7_4 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libsoup-devel 2.56.0-4.el7_4, libsoup-debuginfo 2.56.0-4.el7_4 Red Hat Enterprise Linux Server (v. 7) libsoup 2.56.0-4.el7_4 Red Hat Enterprise Linux Workstation (v. 7) libsoup 2.56.0-4.el7_4
    fixed: vendor fix RHSA-2017:2459
  • Red Hat Enterprise Linux 5 libsoup Red Hat Enterprise Linux 6 libsoup
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

23.14% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2020/Dec/3 referenced PoC, tagged "exploit" by a source, unverified
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0392 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160388/ProCaster-LE-32F430-GStreamer-souphttpsrc-libsoup-2.51.3-Stack-Overflow.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • GNOME libsoup

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.