5.3

CVE-2019-7317: canonical ubuntu_linux Use After Free

Modified
AliasesALPINE-CVE-2019-7317MGASA-2019-0126UBUNTU-CVE-2019-7317
Published 04-02-2019Last modified 28-05-2026

Vulnerability summary

CVE-2019-7317 is a medium (CVSS 5.3) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 9.39% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
9.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 50 · Related 41
DLA-1800-1DLA-1806-1DSA-4448-1DSA-4451-1MGASA-2019-0190MGASA-2019-0191

Timeline

  1. 04-02-2019
    PublishedVulnerability first disclosed.
  2. 28-05-2026
    Last modifiedVulnerability information updated.

Description

png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

CVSS metrics

8 scores · 7 sources · 2 versions

EPSS trend

Probability

9.39%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 9.39% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Libpng

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard26 products
  • firefoxAll versions (No fix recorded)
  • firefox-esrAll versions (No fix recorded)
  • mysql-8.0< 8.0.38-r0
  • mysql-8.0-client< 8.0.38-r0
  • mysql-8.0-dev< 8.0.38-r0
Netapp11 products
Redhat8 products
Ubuntu6 products
  • firefox< 67.0+build2-0ubuntu0.16.04.1 | < 67.0+build2-0ubuntu0.18.04.1
  • libpng1.6< 1.6.20-2ubuntu0.1~esm4 | < 1.6.34-1ubuntu0.18.04.2
  • openjdk-8< 8u222-b10-1ubuntu1~16.04.1 | < 8u222-b10-1ubuntu1~18.04.1
  • openjdk-9All versions (No fix recorded)
  • openjdk-lts< 11.0.4+11-1ubuntu2~18.04.3
Alpine4 products
  • firefox-esr< 60.7.0-r0
  • libpng≥ 1.6.0, < 1.6.37-r0
  • openjdk11< 11.0.4_p11-r0
  • openjdk8< 8.222.10-r0
Debian4 products
  • firefox-esr< 60.7.0esr-1
  • libpng1.6< 1.6.36-4 | < 1.6.28-1+deb9u1
  • thunderbird< 1:60.7.0-1
  • debian_linuxEOL8.0 | 9.0
Oracle4 products
Wolfi3 products
  • firefoxAll versions (No fix recorded)
  • openjdk-10-jreAll versions (No fix recorded)
  • openjdk-9< 9.0.4-r5
Mozilla2 products
Opensuse2 products
Canonical1 product
Hp1 product
Hpe1 product
Libpng1 product
Mageia1 product
  • libpng< 1.6.35-1.1.mga6

15 vendors · 75 products

References

57 links
Show all 57 references