CVE-2018-6913
Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.67% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- debian/debian linux · perl/perl · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS moved from 9.7% on 21 September 2026 to 10.7% on 27 October 2026, peaking at 10.9% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/103953Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040681Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/04/msg00009.htmlMailing List, Third Party Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131844Vendor Advisory
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/Third Party Advisory
- https://usn.ubuntu.com/3625-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4172Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.securityfocus.com/bid/103953Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040681Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/04/msg00009.htmlMailing List, Third Party Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=131844Vendor Advisory
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/Third Party Advisory
- https://usn.ubuntu.com/3625-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4172Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.