What is CVE-2018-8977?

CVE-2018-8977 is a medium-severity vulnerability in Exiv2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-03-25.

How severe is CVE-2018-8977?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2018-8977 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Exiv2

CVE-2018-8977

In Exiv2 0.26, the Exiv2::Internal::printCsLensFFFF function in canonmn_int.cpp allows remote attackers to cause a denial of service (invalid memory access) via a crafted file.

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Exiv2 — versions 0.26
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Issue Tracking)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
cve@mitre.org (x_refsource_REDHAT, vendor-advisory)

Frequently asked questions

What is CVE-2018-8977?: CVE-2018-8977 is a medium-severity vulnerability in Exiv2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-03-25.
How severe is CVE-2018-8977?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-8977 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.