CVE-2016-9558
CRITICALCVSS 9.8/10EPSS 5.11%
Last modified
CVE-2016-9558 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. (1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow.". EPSS estimates a 5.11% chance of exploitation in the next 30 days.
Description
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libdwarf Project | Libdwarf | >= 1999-12-14, < 2016-11-24 |
References
- http://www.openwall.com/lists/oss-security/2016/11/19/6Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/23/3Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94491Third Party Advisory, VDB Entry
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/Exploit, Patch, Third Party Advisory, VDB Entry
- https://www.prevanders.net/dwarfbug.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/19/6Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/23/3Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94491Third Party Advisory, VDB Entry
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/Exploit, Patch, Third Party Advisory, VDB Entry
- https://www.prevanders.net/dwarfbug.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9558?
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
How severe is CVE-2016-9558?
CVE-2016-9558 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.11% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9558?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2016
- CVE-2016-9540tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write o…
- CVE-2016-9553The Sophos Web Appliance (version 4.2.1.3) is vulnerable to …
- CVE-2016-9554The Sophos Web Appliance Remote / Secure Web Gateway server …
- CVE-2016-9555The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the …9.8
- CVE-2016-9556The IsPixelGray function in MagickCore/pixel-accessor.h in I…
- CVE-2016-9557Integer overflow in jas_image.c in JasPer before 1.900.25 al…
- CVE-2016-9559coders/tiff.c in ImageMagick before 7.0.3.7 allows remote at…6.5
- CVE-2016-9560Stack-based buffer overflow in the jpc_tsfb_getbands2 functi…7.8
- CVE-2016-9561The che_configure function in libavcodec/aacdec_template.c i…
- CVE-2016-9562SAP NetWeaver AS JAVA 7.4 allows remote attackers to cause a…7.5
- CVE-2016-9563BC-BMT-BPM-DSK in SAP NetWeaver AS JAVA 7.5 allows remote au…6.5
- CVE-2016-9564Buffer overflow in send_redirect() in Boa Webserver 0.92r al…
Are you affected by CVE-2016-9558?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST