CVE-2016-5116: debian debian_linux
Vulnerability summary
CVE-2016-5116 is a critical (CVSS 9.1) vulnerability in debian debian_linux. EPSS estimates a 3.81% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities.
Severe, CVSS 9.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 07-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
gd_xbm.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in certain custom PHP 5.5.x configurations, allows context-dependent attackers to obtain sensitive information from process memory or cause a denial of service (stack-based buffer under-read and application crash) via a long name.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated9.1CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
3.81%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.81% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- libgd2< 2.2.1-1
- debian_linuxEOL8.0
Alpine1 product
- gd< 2.2.1-r2
Libgd1 product
- libgd≤ 2.2.1
Opensuse1 product
- leapEOL42.1
Ubuntu1 product
- libgd2< 2.1.0-3ubuntu0.2 | < 2.1.1-4ubuntu0.16.04.2
5 vendors · 6 products
References
12 links- lists.opensuse.org/opensuse-updates/2016-09/msg00078.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- github.com/libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4X Refsource CONFIRMIssue TrackingPatchThird Party Advisory