CVE-2019-13636: gnu patch Link Following
CVSS: 5.9v3.0MediumModified
AliasesALPINE-CVE-2019-13636RHSA-2020:1852UBUNTU-CVE-2019-13636DEBIAN-CVE-2019-13636DLA-1856-1CGA-67g2-w8g4-9m48CGA-j5w6-3hgv-r93c
Published 17-07-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-13636 is a medium (CVSS 5.9) Link Following vulnerability in gnu patch. EPSS estimates a 3.90% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
3.90%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 17-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.
CVSS metrics
8 scores · 7 sources · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 7 agree
- OSV · AlpineEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · Red hatEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · WolfiEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.90%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.90% on 19-09-2026
19-09-202619-10-2026
EPSS score3.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- patch< 0:2.7.6-11.el8
- patch-debuginfo< 0:2.7.6-11.el8
- patch-debugsource< 0:2.7.6-11.el8
Alpine1 product
- patch< 2.7.6-r5 | < 2.7.5-r3 | < 2.7.6-r3
Chainguard1 product
- patch< 2.7.6-r3
Debian1 product
- patch< 2.7.6-5 | < 2.7.5-1+deb8u2
Gnu1 product
- patch≤ 2.7.6
Ubuntu1 product
- patch< 2.7.1-4ubuntu2.4+esm1 | < 2.7.5-1ubuntu0.16.04.2 | < 2.7.6-2ubuntu1.1
Wolfi1 product
- patch< 2.7.6-r3
7 vendors · 9 products
References
25 links- git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71aX Refsource MISCMailing ListPatchVendor AdvisoryFIX
lists.debian.org/debian-lts-announce/2019/07/msg00016.htmlMailing ListX Refsource MLISTThird Party AdvisoryREPORTAdvisory
