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Vulnerability details: VCID-u5sb-ke8a-qkd2
Vulnerability ID VCID-u5sb-ke8a-qkd2
Aliases CVE-2026-1484
Summary Glib: Integer Overflow Leading to Buffer Underflow and Out-of-Bounds Write in GLib g_base64_encode()
Status Published
Exploitability 0.5
Weighted Severity 4.0
Risk 2.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 4.2 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1484.json
cvssv3.1 4.2 https://access.redhat.com/security/cve/CVE-2026-1484
ssvc Track https://access.redhat.com/security/cve/CVE-2026-1484
epss 0.00015 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00015 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-1484
cvssv3.1 4.2 https://bugzilla.redhat.com/show_bug.cgi?id=2433259
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2433259
cvssv3.1 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 4.2 https://gitlab.gnome.org/GNOME/glib/-/issues/3870
ssvc Track https://gitlab.gnome.org/GNOME/glib/-/issues/3870
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1484.json
https://api.first.org/data/v1/epss?cve=CVE-2026-1484
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-1484
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1126551 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1126551
2433259 https://bugzilla.redhat.com/show_bug.cgi?id=2433259
3870 https://gitlab.gnome.org/GNOME/glib/-/issues/3870
cpe:/o:redhat:enterprise_linux:10 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9
CVE-2026-1484 https://access.redhat.com/security/cve/CVE-2026-1484
USN-8017-1 https://usn.ubuntu.com/8017-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1484.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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none

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unchanged

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low

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none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L Found at https://access.redhat.com/security/cve/CVE-2026-1484
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-27T15:11:56Z/ Found at https://access.redhat.com/security/cve/CVE-2026-1484
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L Found at https://bugzilla.redhat.com/show_bug.cgi?id=2433259
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-27T15:11:56Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2433259
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L Found at https://gitlab.gnome.org/GNOME/glib/-/issues/3870
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-27T15:11:56Z/ Found at https://gitlab.gnome.org/GNOME/glib/-/issues/3870
Exploit Prediction Scoring System (EPSS)
Percentile 0.03221
EPSS Score 0.00015
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:32:19.137086+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1484.json 38.0.0