CVE-2017-13733: invisible-island ncurses
Vulnerability summary
CVE-2017-13733 is a medium (CVSS 6.5) vulnerability in invisible-island ncurses. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 29-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
There is an illegal address access in the fmt_entry function in progs/dump_entry.c in ncurses 6.0 that might lead to a remote denial of service attack.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.76%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.76% on 05-10-2026
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
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Suse3 products
- ncurses&distro=SUSE Linux Enterprise Server 11 SP4< 5.6-93.15.1
- ncurses&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 5.6-93.15.1
- ncurses&distro=SUSE Linux Enterprise Software Development Kit 11 SP4< 5.6-93.15.1
Alpine1 product
- ncurses< 6.0_p20170701-r0 | < 6.0_p20170930-r0
Debian1 product
- ncurses< 6.0+20170902-1
Invisible-island1 product
- ncurses6.0
Ubuntu1 product
- ncurses< 5.9+20140118-1ubuntu1+esm1 | < 6.0+20160213-1ubuntu1+esm1
5 vendors · 7 products
References
12 links- bugzilla.redhat.com/show_bug.cgi?id=1484290X Refsource MISCExploitIssue TrackingThird Party AdvisoryVDB Entry
