Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"
Historical advisory recorded 6 Nov 2026 08:36:20 UTC. Read the latest advisory.
cve-program · CVE-2026-58013
PublishedA flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-58013
PublishedGlib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"
A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary.
- Source published
- 30 Jun 2026 12:57:34 UTC
- Source modified
- 6 Nov 2026 07:44:13 UTC
- Saved here
- 6 Nov 2026 08:36:20 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L