CVE-2016-9317: libgd Improper Input Validation
Vulnerability summary
CVE-2016-9317 is a high (CVSS 7.1) Improper Input Validation vulnerability in libgd. EPSS estimates a 3.73% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 26-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The gdImageCreate function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (system hang) via an oversized image.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.73%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.73% 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: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- gd< 2.2.4-r0
Debian1 product
- libgd2< 2.2.4-1
Libgd1 product
- libgd≤ 2.2.3
Ubuntu1 product
- libgd2< 2.1.0-3ubuntu0.6 | < 2.1.1-4ubuntu0.16.04.6
4 vendors · 4 products
References
9 links- github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.mdX Refsource CONFIRMIssue TrackingPatchRelease NotesThird Party AdvisoryREPORT
- github.com/libgd/libgd/commit/1846f48e5fcdde996e7c27a4bbac5d0aef183e4bX Refsource CONFIRMIssue TrackingPatchThird Party Advisory
