VulnerabilityModified

CVE-2018-16429

GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in gmarkup.c, related to utf8_str().

HIGH 7.5EPSS 3.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

GNOME GLib 2.56.1 has an out-of-bounds read vulnerability in g_markup_parse_context_parse() in gmarkup.c, related to utf8_str().

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 3.53% probability · 89th percentile
CISA KEV: Not listed
Weakness: CWE-125
Affected: gnome/glib · canonical/ubuntu linux
Source: cve@mitre.org

References

https://gitlab.gnome.org/GNOME/glib/commit/cec71705406f0b2790422f0c1aa0ff3b4b464b1bPatch, Vendor Advisory
https://gitlab.gnome.org/GNOME/glib/issues/1361Exploit, Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/07/msg00029.html
https://usn.ubuntu.com/3767-1/Third Party Advisory
https://usn.ubuntu.com/3767-2/Third Party Advisory
https://gitlab.gnome.org/GNOME/glib/commit/cec71705406f0b2790422f0c1aa0ff3b4b464b1bPatch, Vendor Advisory
https://gitlab.gnome.org/GNOME/glib/issues/1361Exploit, Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/07/msg00029.html
https://usn.ubuntu.com/3767-1/Third Party Advisory
https://usn.ubuntu.com/3767-2/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.