CVE-2019-9637: canonical ubuntu_linux
Vulnerability summary
CVE-2019-9637 is a high (CVSS 7.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 7.35% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 7% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 11Timeline
- 08-03-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. Due to the way rename() across filesystems is implemented, it is possible that file being renamed is briefly available with wrong permissions while the rename is ongoing, thus enabling unauthorized users to access the data.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
7.35%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.35% 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.
Ubuntu3 products
- php5< 5.5.9+dfsg-1ubuntu4.29
- php7.0< 7.0.33-0ubuntu0.16.04.3
- php7.2< 7.2.15-0ubuntu0.18.04.2
Alpine1 product
- php7< 7.2.16-r0 | < 7.1.29-r0 | < 7.2.17-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 18.10
Debian1 product
- debian_linuxEOL8.0 | 9.0
Netapp1 product
Opensuse1 product
- leapEOL42.3
Php1 product
- php< 7.1.27 | ≥ 7.2.0, < 7.2.16 | ≥ 7.3.0, < 7.3.3
7 vendors · 9 products
References
21 links
- lists.debian.org/debian-lts-announce/2019/03/msg00043.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 21 references
- www.tenable.com/security/tns-2019-07X Refsource CONFIRM