CVE-2017-17440: gnu libextractor NULL Pointer Dereference
Vulnerability summary
CVE-2017-17440 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in gnu libextractor. EPSS estimates a 2.36% chance of exploitation in the next 30 days, higher than 83.4% of scored vulnerabilities. 5 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 06-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, as demonstrated by the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.
CVSS metrics
4 scores · 3 sources · 2 versions- 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
2.36%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.36% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
5 foundExploit Reference (bugs.debian.org)
Maturity: unknown
Exploit Reference (lists.gnu.org)
Maturity: unknown
Exploit Reference (lists.gnu.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mageia2 products
- libextractor< 1.6-1.1.mga5
- libextractor< 1.6-1.1.mga6
Debian1 product
- libextractor< 1:1.6-2
Gnu1 product
- libextractor1.6
Ubuntu1 product
- libextractorAll versions (No fix recorded) | < 1:1.3-4+deb9u3build0.16.04.1
4 vendors · 5 products
References
15 links- lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00005.htmlX Refsource MISCIssue TrackingREPORT
- lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00001.htmlX Refsource MISCExploitThird Party AdvisoryREPORT
- lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00000.htmlX Refsource MISCExploitThird Party AdvisoryREPORT
- lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00002.htmlX Refsource MISCExploitThird Party AdvisoryREPORT
- gnunet.org/git/libextractor.git/commit/?id=7cc63b001ceaf81143795321379c835486d0c92eX Refsource MISCPatchThird Party Advisory
- lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00004.htmlX Refsource MISCExploitThird Party AdvisoryREPORT