6.5

CVE-2022-29977: saitoha libsixel Reachable Assertion

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-29977DEBIAN-CVE-2022-29977
Published 11-05-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-29977 is a medium (CVSS 6.5) Reachable Assertion vulnerability in saitoha libsixel. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.04%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 11-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.02 pp

From 1.02% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libsixel

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libsixelAll versions (No fix recorded) | < 1:1.8.7-1
Saitoha1 product
Ubuntu1 product
  • libsixelAll versions (No fix recorded)

3 vendors · 3 products

References

4 links