5.3

CVE-2026-5313: nothings stb Improper Resource Shutdown or Release

CVSS: 5.3v4.0MediumDeferred
AliasesUBUNTU-CVE-2026-5313DEBIAN-CVE-2026-5313
Published 01-04-2026Last modified 03-04-2026
Open JSON

Vulnerability summary

CVE-2026-5313 is a medium (CVSS 5.3) Improper Resource Shutdown or Release vulnerability in nothings stb. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.49%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2026
    PublishedVulnerability first disclosed.
  2. 03-04-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Nothings stb up to 2.30. This issue affects the function stbi__gif_load_next in the library stb_image.h of the component GIF Decoder. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS metrics

10 scores · 4 sources · 4 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

+0.21 pp

From 0.29% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libstbAll versions (No fix recorded)
Nothings1 product
  • stb2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 2.10 | 2.11 | 2.12 | 2.13 | 2.14 | 2.15 | 2.16 | 2.17 | 2.18 | 2.19 | 2.20 | 2.21 | 2.22 | 2.23 | 2.24 | 2.25 | 2.26 | 2.27 | 2.28 | 2.29 | 2.30
Ubuntu1 product
  • libstbAll versions (No fix recorded)

3 vendors · 3 products

References

6 links